diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt
index 5227c8eebeb..9dbdbebf48e 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt
@@ -1155,7 +1155,7 @@ class Fir2IrDeclarationStorage(
         parentOrigin: IrDeclarationOrigin,
         irParent: IrDeclarationParent?
     ): IrDeclarationOrigin {
-        return if (irParent.isSourceClass() && symbol.fir.isIntersectionOverride)
+        return if (irParent.isSourceClass() && (symbol.fir.isIntersectionOverride || symbol.fir.isSubstitutionOverride))
             IrDeclarationOrigin.FAKE_OVERRIDE
         else
             parentOrigin
diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java
index cef29c06913..6634b3db8fc 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java
@@ -19869,6 +19869,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/objects/simpleObject.kt");
         }
 
+        @TestMetadata("substitutionFunctionFromSuper.kt")
+        public void testSubstitutionFunctionFromSuper() throws Exception {
+            runTest("compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt");
+        }
+
         @TestMetadata("thisInConstructor.kt")
         public void testThisInConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/objects/thisInConstructor.kt");
diff --git a/compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt b/compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt
new file mode 100644
index 00000000000..ff7785b0e0c
--- /dev/null
+++ b/compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt
@@ -0,0 +1,28 @@
+// KT-44054
+
+enum class Enum {
+    Entry1,
+    Entry2
+}
+
+class Outer {
+    fun fooCaller(): Enum = obj.foo()
+
+    private abstract inner class Inner<T>(val default: T) {
+        fun foo(): T {
+            return default
+        }
+    }
+
+    private val obj = object : Inner<Enum>(Enum.Entry1) {
+        fun bar(): Enum {
+            return default
+        }
+    }
+}
+
+fun box(): String {
+    val o = Outer()
+    if (o.fooCaller() != Enum.Entry1) return "Fail"
+    return "OK"
+}
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
index e8414eca9e5..e410564744f 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
@@ -19869,6 +19869,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/objects/simpleObject.kt");
         }
 
+        @TestMetadata("substitutionFunctionFromSuper.kt")
+        public void testSubstitutionFunctionFromSuper() throws Exception {
+            runTest("compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt");
+        }
+
         @TestMetadata("thisInConstructor.kt")
         public void testThisInConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/objects/thisInConstructor.kt");
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
index 7d760d24b4d..f0a0aa30766 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
@@ -19869,6 +19869,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/objects/simpleObject.kt");
         }
 
+        @TestMetadata("substitutionFunctionFromSuper.kt")
+        public void testSubstitutionFunctionFromSuper() throws Exception {
+            runTest("compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt");
+        }
+
         @TestMetadata("thisInConstructor.kt")
         public void testThisInConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/objects/thisInConstructor.kt");
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
index 3976b72df47..68ee076bc8b 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
@@ -19869,6 +19869,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/objects/simpleObject.kt");
         }
 
+        @TestMetadata("substitutionFunctionFromSuper.kt")
+        public void testSubstitutionFunctionFromSuper() throws Exception {
+            runTest("compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt");
+        }
+
         @TestMetadata("thisInConstructor.kt")
         public void testThisInConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/objects/thisInConstructor.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
index 1b959043d81..a80ed5ea8df 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
@@ -15924,6 +15924,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
             runTest("compiler/testData/codegen/box/objects/simpleObject.kt");
         }
 
+        @TestMetadata("substitutionFunctionFromSuper.kt")
+        public void testSubstitutionFunctionFromSuper() throws Exception {
+            runTest("compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt");
+        }
+
         @TestMetadata("thisInConstructor.kt")
         public void testThisInConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/objects/thisInConstructor.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
index b04eb141b2c..6152b0e11f5 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
@@ -15924,6 +15924,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/objects/simpleObject.kt");
         }
 
+        @TestMetadata("substitutionFunctionFromSuper.kt")
+        public void testSubstitutionFunctionFromSuper() throws Exception {
+            runTest("compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt");
+        }
+
         @TestMetadata("thisInConstructor.kt")
         public void testThisInConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/objects/thisInConstructor.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
index d9395782a41..b150dd2cc62 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
@@ -15989,6 +15989,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/objects/simpleObject.kt");
         }
 
+        @TestMetadata("substitutionFunctionFromSuper.kt")
+        public void testSubstitutionFunctionFromSuper() throws Exception {
+            runTest("compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt");
+        }
+
         @TestMetadata("thisInConstructor.kt")
         public void testThisInConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/objects/thisInConstructor.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java
index 10ac7b4a494..372687e0cb8 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java
@@ -9965,6 +9965,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             runTest("compiler/testData/codegen/box/objects/simpleObject.kt");
         }
 
+        @TestMetadata("substitutionFunctionFromSuper.kt")
+        public void testSubstitutionFunctionFromSuper() throws Exception {
+            runTest("compiler/testData/codegen/box/objects/substitutionFunctionFromSuper.kt");
+        }
+
         @TestMetadata("thisInConstructor.kt")
         public void testThisInConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/objects/thisInConstructor.kt");