diff --git a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirBlackBoxCodegenBasedTestGenerated.java b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirBlackBoxCodegenBasedTestGenerated.java
index 7e4fb0f0fee..1b531d6a842 100644
--- a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirBlackBoxCodegenBasedTestGenerated.java
+++ b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirBlackBoxCodegenBasedTestGenerated.java
@@ -16862,6 +16862,12 @@ public class LLFirBlackBoxCodegenBasedTestGenerated extends AbstractLLFirBlackBo
       runTest("compiler/testData/codegen/box/delegation/delegationToVal.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirReversedBlackBoxCodegenBasedTestGenerated.java b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirReversedBlackBoxCodegenBasedTestGenerated.java
index 21db1c6efac..c7bef73ed42 100644
--- a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirReversedBlackBoxCodegenBasedTestGenerated.java
+++ b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirReversedBlackBoxCodegenBasedTestGenerated.java
@@ -16862,6 +16862,12 @@ public class LLFirReversedBlackBoxCodegenBasedTestGenerated extends AbstractLLFi
       runTest("compiler/testData/codegen/box/delegation/delegationToVal.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrConverter.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrConverter.kt
index 16697816cbc..9458a532dda 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrConverter.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrConverter.kt
@@ -583,7 +583,7 @@ class Fir2IrConverter(
                 requireNotNull(delegateFieldToPropertyMap)
                 require(parent is IrClass)
                 val correspondingClassProperty = declaration.findCorrespondingDelegateProperty(containingClass)
-                if (correspondingClassProperty == null) {
+                if (correspondingClassProperty == null || correspondingClassProperty.isVar) {
                     val irField = declarationStorage.createDelegateIrField(declaration, parent)
                     delegatedMemberGenerator.generateWithBodiesIfNeeded(declaration, irField, containingClass, parent)
                 } else {
diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenTestGenerated.java
index baccaef4f82..9c7ca184dff 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenTestGenerated.java
@@ -16803,6 +16803,12 @@ public class FirLightTreeBlackBoxCodegenTestGenerated extends AbstractFirLightTr
       runTest("compiler/testData/codegen/box/delegation/delegationToVal.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenWithIrFakeOverrideGeneratorTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenWithIrFakeOverrideGeneratorTestGenerated.java
index a05c1389596..aea04687568 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenWithIrFakeOverrideGeneratorTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenWithIrFakeOverrideGeneratorTestGenerated.java
@@ -16803,6 +16803,12 @@ public class FirLightTreeBlackBoxCodegenWithIrFakeOverrideGeneratorTestGenerated
       runTest("compiler/testData/codegen/box/delegation/delegationToVal.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirPsiBlackBoxCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirPsiBlackBoxCodegenTestGenerated.java
index c87c2bbb995..751fcd7ffcb 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirPsiBlackBoxCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirPsiBlackBoxCodegenTestGenerated.java
@@ -16803,6 +16803,12 @@ public class FirPsiBlackBoxCodegenTestGenerated extends AbstractFirPsiBlackBoxCo
       runTest("compiler/testData/codegen/box/delegation/delegationToVal.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/compiler/testData/codegen/box/delegation/delegationToVar.kt b/compiler/testData/codegen/box/delegation/delegationToVar.kt
new file mode 100644
index 00000000000..6d894eac7db
--- /dev/null
+++ b/compiler/testData/codegen/box/delegation/delegationToVar.kt
@@ -0,0 +1,20 @@
+// ISSUE: KT-65920
+
+interface I {
+    fun foo()
+}
+
+class Test2(var j: I) : I by j
+
+fun box(): String {
+    var result = ""
+
+    val x = Test2(object : I { override fun foo() { result += "1" }})
+    x.foo()
+    x.j = object : I { override fun foo() { result += "2" }}
+    x.foo()
+    return when (result) {
+        "11" -> "OK"
+        else -> "Fail: $result"
+    }
+}
diff --git a/compiler/testData/ir/irText/classes/delegatedGenericImplementation.fir.ir.txt b/compiler/testData/ir/irText/classes/delegatedGenericImplementation.fir.ir.txt
index 77738742f3f..d7ecf8a01d3 100644
--- a/compiler/testData/ir/irText/classes/delegatedGenericImplementation.fir.ir.txt
+++ b/compiler/testData/ir/irText/classes/delegatedGenericImplementation.fir.ir.txt
@@ -88,6 +88,9 @@ FILE fqName:<root> fileName:/delegatedGenericImplementation.kt
             <set-?>: GET_VAR '<set-?>: D of <root>.Test1.<set-x>? declared in <root>.Test1.<set-x>' type=D of <root>.Test1.<set-x>? origin=null
   CLASS CLASS name:Test2 modality:FINAL visibility:public superTypes:[<root>.IBase<kotlin.String>]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Test2
+    FIELD DELEGATE name:$$delegate_0 type:<root>.IBase<kotlin.String> visibility:private [final]
+      EXPRESSION_BODY
+        GET_VAR 'j: <root>.IBase<kotlin.String> declared in <root>.Test2.<init>' type=<root>.IBase<kotlin.String> origin=null
     PROPERTY name:j visibility:public modality:FINAL [var]
       FIELD PROPERTY_BACKING_FIELD name:j type:<root>.IBase<kotlin.String> visibility:private
         EXPRESSION_BODY
@@ -122,7 +125,7 @@ FILE fqName:<root> fileName:/delegatedGenericImplementation.kt
       BLOCK_BODY
         CALL 'public abstract fun foo <B> (a: A of <root>.IBase, b: B of <root>.IBase.foo): kotlin.Unit declared in <root>.IBase' type=kotlin.Unit origin=null
           <B>: B of <root>.Test2.foo
-          $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:j type:<root>.IBase<kotlin.String> visibility:private' type=<root>.IBase<kotlin.String> origin=null
+          $this: GET_FIELD 'FIELD DELEGATE name:$$delegate_0 type:<root>.IBase<kotlin.String> visibility:private [final]' type=<root>.IBase<kotlin.String> origin=null
             receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.foo' type=<root>.Test2 origin=null
           a: GET_VAR 'a: kotlin.String declared in <root>.Test2.foo' type=kotlin.String origin=null
           b: GET_VAR 'b: B of <root>.Test2.foo declared in <root>.Test2.foo' type=B of <root>.Test2.foo origin=null
@@ -153,7 +156,7 @@ FILE fqName:<root> fileName:/delegatedGenericImplementation.kt
           RETURN type=kotlin.Nothing from='public open fun <get-id> <C> (): kotlin.collections.Map<kotlin.String, C of <root>.Test2.<get-id>>? declared in <root>.Test2'
             CALL 'public abstract fun <get-id> <C> (): kotlin.collections.Map<A of <root>.IBase, C of <root>.IBase.<get-id>>? declared in <root>.IBase' type=kotlin.collections.Map<kotlin.String, C of <root>.Test2.<get-id>>? origin=null
               <C>: C of <root>.Test2.<get-id>
-              $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:j type:<root>.IBase<kotlin.String> visibility:private' type=<root>.IBase<kotlin.String> origin=null
+              $this: GET_FIELD 'FIELD DELEGATE name:$$delegate_0 type:<root>.IBase<kotlin.String> visibility:private [final]' type=<root>.IBase<kotlin.String> origin=null
                 receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<get-id>' type=<root>.Test2 origin=null
               $receiver: GET_VAR '<this>: C of <root>.Test2.<get-id> declared in <root>.Test2.<get-id>' type=C of <root>.Test2.<get-id> origin=null
     PROPERTY DELEGATED_MEMBER name:x visibility:public modality:OPEN [var]
@@ -170,7 +173,7 @@ FILE fqName:<root> fileName:/delegatedGenericImplementation.kt
           RETURN type=kotlin.Nothing from='public open fun <get-x> <D> (): D of <root>.Test2.<get-x>? declared in <root>.Test2'
             CALL 'public abstract fun <get-x> <D> (): D of <root>.IBase.<get-x>? declared in <root>.IBase' type=D of <root>.Test2.<get-x>? origin=null
               <D>: D of <root>.Test2.<get-x>
-              $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:j type:<root>.IBase<kotlin.String> visibility:private' type=<root>.IBase<kotlin.String> origin=null
+              $this: GET_FIELD 'FIELD DELEGATE name:$$delegate_0 type:<root>.IBase<kotlin.String> visibility:private [final]' type=<root>.IBase<kotlin.String> origin=null
                 receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<get-x>' type=<root>.Test2 origin=null
               $receiver: GET_VAR '<this>: kotlin.collections.List<D of <root>.Test2.<get-x>> declared in <root>.Test2.<get-x>' type=kotlin.collections.List<D of <root>.Test2.<get-x>> origin=null
       FUN DELEGATED_MEMBER name:<set-x> visibility:public modality:OPEN <D> ($this:<root>.Test2, $receiver:kotlin.collections.List<D of <root>.Test2.<set-x>>, <set-?>:D of <root>.Test2.<set-x>?) returnType:kotlin.Unit
@@ -184,7 +187,7 @@ FILE fqName:<root> fileName:/delegatedGenericImplementation.kt
         BLOCK_BODY
           CALL 'public abstract fun <set-x> <D> (<set-?>: D of <root>.IBase.<set-x>?): kotlin.Unit declared in <root>.IBase' type=kotlin.Unit origin=null
             <D>: D of <root>.Test2.<set-x>
-            $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:j type:<root>.IBase<kotlin.String> visibility:private' type=<root>.IBase<kotlin.String> origin=null
+            $this: GET_FIELD 'FIELD DELEGATE name:$$delegate_0 type:<root>.IBase<kotlin.String> visibility:private [final]' type=<root>.IBase<kotlin.String> origin=null
               receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<set-x>' type=<root>.Test2 origin=null
             $receiver: GET_VAR '<this>: kotlin.collections.List<D of <root>.Test2.<set-x>> declared in <root>.Test2.<set-x>' type=kotlin.collections.List<D of <root>.Test2.<set-x>> origin=null
             <set-?>: GET_VAR '<set-?>: D of <root>.Test2.<set-x>? declared in <root>.Test2.<set-x>' type=D of <root>.Test2.<set-x>? origin=null
diff --git a/compiler/testData/ir/irText/classes/delegatedGenericImplementation.fir.kt.txt b/compiler/testData/ir/irText/classes/delegatedGenericImplementation.fir.kt.txt
index 0ba438d2da7..dd8efd615e9 100644
--- a/compiler/testData/ir/irText/classes/delegatedGenericImplementation.fir.kt.txt
+++ b/compiler/testData/ir/irText/classes/delegatedGenericImplementation.fir.kt.txt
@@ -26,6 +26,7 @@ class Test1<E : Any?> : IBase<E> {
 }
 
 class Test2 : IBase<String> {
+  private /* final field */ val $$delegate_0: IBase<String> = j
   var j: IBase<String>
     field = j
     get
@@ -38,20 +39,20 @@ class Test2 : IBase<String> {
   }
 
   override fun <B : Any?> foo(a: String, b: B) {
-    <this>.#j.foo<B>(a = a, b = b)
+    <this>.#$$delegate_0.foo<B>(a = a, b = b)
   }
 
   override val <C : Any?> C.id: Map<String, C>?
     override get(): Map<String, C>? {
-      return (<this>.#j, <this>).<get-id><C>()
+      return (<this>.#$$delegate_0, <this>).<get-id><C>()
     }
 
   override var <D : Any?> List<D>.x: D?
     override get(): D? {
-      return (<this>.#j, <this>).<get-x><D>()
+      return (<this>.#$$delegate_0, <this>).<get-x><D>()
     }
     override set(<set-?>: D?) {
-      (<this>.#j, <this>).<set-x><D>(<set-?> = <set-?>)
+      (<this>.#$$delegate_0, <this>).<set-x><D>(<set-?> = <set-?>)
     }
 
 }
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/JvmAbiConsistencyTestBoxGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/JvmAbiConsistencyTestBoxGenerated.java
index 6712cb067d9..c5b6bbc800a 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/JvmAbiConsistencyTestBoxGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/JvmAbiConsistencyTestBoxGenerated.java
@@ -16803,6 +16803,12 @@ public class JvmAbiConsistencyTestBoxGenerated extends AbstractJvmAbiConsistency
       runTest("compiler/testData/codegen/box/delegation/delegationToVal.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
index 9973dc4f833..17407e70868 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
@@ -16419,6 +16419,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
       runTest("compiler/testData/codegen/box/delegation/delegationToVal.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
index 7154988c6c8..891464a52eb 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
@@ -16803,6 +16803,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
       runTest("compiler/testData/codegen/box/delegation/delegationToVal.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenWithIrInlinerTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenWithIrInlinerTestGenerated.java
index 7dc01df57f7..4ac01b6f53b 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenWithIrInlinerTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenWithIrInlinerTestGenerated.java
@@ -16803,6 +16803,12 @@ public class IrBlackBoxCodegenWithIrInlinerTestGenerated extends AbstractIrBlack
       runTest("compiler/testData/codegen/box/delegation/delegationToVal.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
index 7e3515a9c24..9ba141725cd 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
@@ -13864,6 +13864,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
       runTest("compiler/testData/codegen/box/delegation/delegationToVal.kt");
     }
 
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
       runTest("compiler/testData/codegen/box/delegation/delegationWithPrivateConstructor.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsCodegenBoxTestGenerated.java
index f7061a63d96..dfd23acb21d 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsCodegenBoxTestGenerated.java
@@ -12753,6 +12753,12 @@ public class FirJsCodegenBoxTestGenerated extends AbstractFirJsCodegenBoxTest {
       runTest("compiler/testData/codegen/box/delegation/delegationToIntersectionType.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsES6CodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsES6CodegenBoxTestGenerated.java
index 1bf291da4b1..d1daba96809 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsES6CodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsES6CodegenBoxTestGenerated.java
@@ -12753,6 +12753,12 @@ public class FirJsES6CodegenBoxTestGenerated extends AbstractFirJsES6CodegenBoxT
       runTest("compiler/testData/codegen/box/delegation/delegationToIntersectionType.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenBoxTestGenerated.java
index 8121b37f62c..9b1be8cfb3c 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenBoxTestGenerated.java
@@ -12753,6 +12753,12 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
       runTest("compiler/testData/codegen/box/delegation/delegationToIntersectionType.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsES6CodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsES6CodegenBoxTestGenerated.java
index 3c2703709a4..cd9257c6dd3 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsES6CodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsES6CodegenBoxTestGenerated.java
@@ -12753,6 +12753,12 @@ public class IrJsES6CodegenBoxTestGenerated extends AbstractIrJsES6CodegenBoxTes
       runTest("compiler/testData/codegen/box/delegation/delegationToIntersectionType.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/FirNativeCodegenBoxTestGenerated.java b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/FirNativeCodegenBoxTestGenerated.java
index bba9234f889..b0425975539 100644
--- a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/FirNativeCodegenBoxTestGenerated.java
+++ b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/FirNativeCodegenBoxTestGenerated.java
@@ -13808,6 +13808,12 @@ public class FirNativeCodegenBoxTestGenerated extends AbstractNativeCodegenBoxTe
         runTest("compiler/testData/codegen/box/delegation/delegationToIntersectionType.kt");
       }
 
+      @Test
+      @TestMetadata("delegationToVar.kt")
+      public void testDelegationToVar() {
+        runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+      }
+
       @Test
       @TestMetadata("delegationWithPrivateConstructor.kt")
       public void testDelegationWithPrivateConstructor() {
diff --git a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/FirNativeCodegenBoxTestNoPLGenerated.java b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/FirNativeCodegenBoxTestNoPLGenerated.java
index 760a46458b6..f98cd5ac754 100644
--- a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/FirNativeCodegenBoxTestNoPLGenerated.java
+++ b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/FirNativeCodegenBoxTestNoPLGenerated.java
@@ -14122,6 +14122,12 @@ public class FirNativeCodegenBoxTestNoPLGenerated extends AbstractNativeCodegenB
         runTest("compiler/testData/codegen/box/delegation/delegationToIntersectionType.kt");
       }
 
+      @Test
+      @TestMetadata("delegationToVar.kt")
+      public void testDelegationToVar() {
+        runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+      }
+
       @Test
       @TestMetadata("delegationWithPrivateConstructor.kt")
       public void testDelegationWithPrivateConstructor() {
diff --git a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/NativeCodegenBoxTestGenerated.java b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/NativeCodegenBoxTestGenerated.java
index 576e59633a7..fb3d098ada0 100644
--- a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/NativeCodegenBoxTestGenerated.java
+++ b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/NativeCodegenBoxTestGenerated.java
@@ -13494,6 +13494,12 @@ public class NativeCodegenBoxTestGenerated extends AbstractNativeCodegenBoxTest
         runTest("compiler/testData/codegen/box/delegation/delegationToIntersectionType.kt");
       }
 
+      @Test
+      @TestMetadata("delegationToVar.kt")
+      public void testDelegationToVar() {
+        runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+      }
+
       @Test
       @TestMetadata("delegationWithPrivateConstructor.kt")
       public void testDelegationWithPrivateConstructor() {
diff --git a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/NativeCodegenBoxTestNoPLGenerated.java b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/NativeCodegenBoxTestNoPLGenerated.java
index d8edcff17cf..5b441a6d60a 100644
--- a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/NativeCodegenBoxTestNoPLGenerated.java
+++ b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/test/blackbox/NativeCodegenBoxTestNoPLGenerated.java
@@ -13809,6 +13809,12 @@ public class NativeCodegenBoxTestNoPLGenerated extends AbstractNativeCodegenBoxT
         runTest("compiler/testData/codegen/box/delegation/delegationToIntersectionType.kt");
       }
 
+      @Test
+      @TestMetadata("delegationToVar.kt")
+      public void testDelegationToVar() {
+        runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+      }
+
       @Test
       @TestMetadata("delegationWithPrivateConstructor.kt")
       public void testDelegationWithPrivateConstructor() {
diff --git a/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/FirWasmJsCodegenBoxTestGenerated.java b/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/FirWasmJsCodegenBoxTestGenerated.java
index 77cc8b556b3..fdd5bf50260 100644
--- a/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/FirWasmJsCodegenBoxTestGenerated.java
+++ b/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/FirWasmJsCodegenBoxTestGenerated.java
@@ -12729,6 +12729,12 @@ public class FirWasmJsCodegenBoxTestGenerated extends AbstractFirWasmJsCodegenBo
       runTest("compiler/testData/codegen/box/delegation/delegationToIntersectionType.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {
diff --git a/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/K1WasmCodegenBoxTestGenerated.java b/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/K1WasmCodegenBoxTestGenerated.java
index 397437d3f71..ced66a5a380 100644
--- a/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/K1WasmCodegenBoxTestGenerated.java
+++ b/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/K1WasmCodegenBoxTestGenerated.java
@@ -12729,6 +12729,12 @@ public class K1WasmCodegenBoxTestGenerated extends AbstractK1WasmCodegenBoxTest
       runTest("compiler/testData/codegen/box/delegation/delegationToIntersectionType.kt");
     }
 
+    @Test
+    @TestMetadata("delegationToVar.kt")
+    public void testDelegationToVar() {
+      runTest("compiler/testData/codegen/box/delegation/delegationToVar.kt");
+    }
+
     @Test
     @TestMetadata("delegationWithPrivateConstructor.kt")
     public void testDelegationWithPrivateConstructor() {