diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java
index ad7ddb9d3c1..bc090964f14 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java
@@ -1952,7 +1952,9 @@ public class ExpressionCodegen extends KtVisitor<StackValue, StackValue> impleme
         CallableMethod callableSetter = null;
 
         CodegenContext backingFieldContext = getBackingFieldContext(fieldAccessorKind, containingDeclaration);
-        boolean isPrivateProperty = (AsmUtil.getVisibilityForBackingField(propertyDescriptor, isDelegatedProperty) & ACC_PRIVATE) != 0;
+        boolean isPrivateProperty =
+                fieldAccessorKind != FieldAccessorKind.NORMAL &&
+                (AsmUtil.getVisibilityForBackingField(propertyDescriptor, isDelegatedProperty) & ACC_PRIVATE) != 0;
         DeclarationDescriptor ownerDescriptor;
         boolean skipPropertyAccessors;
 
diff --git a/compiler/testData/codegen/box/properties/lateinit/privateSetterViaSubclass.kt b/compiler/testData/codegen/box/properties/lateinit/privateSetterViaSubclass.kt
new file mode 100644
index 00000000000..be73743b028
--- /dev/null
+++ b/compiler/testData/codegen/box/properties/lateinit/privateSetterViaSubclass.kt
@@ -0,0 +1,16 @@
+open class A {
+    lateinit var x: String
+        private set
+
+    protected fun set(value: String) { x = value }
+}
+
+class B : A() {
+    fun init() { set("OK") }
+}
+
+fun box(): String {
+    val b = B()
+    b.init()
+    return b.x
+}
diff --git a/compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java b/compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
index 1ac75fa94b9..0f7c525884a 100644
--- a/compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
@@ -13564,6 +13564,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 doTest(fileName);
             }
 
+            @TestMetadata("privateSetterViaSubclass.kt")
+            public void testPrivateSetterViaSubclass() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/properties/lateinit/privateSetterViaSubclass.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("simpleVar.kt")
             public void testSimpleVar() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/properties/lateinit/simpleVar.kt");
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
index 3f32b889244..6d3e8bae856 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
@@ -13564,6 +13564,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("privateSetterViaSubclass.kt")
+            public void testPrivateSetterViaSubclass() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/properties/lateinit/privateSetterViaSubclass.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("simpleVar.kt")
             public void testSimpleVar() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/properties/lateinit/simpleVar.kt");
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
index a23c999ccc7..50c1fab87e0 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
@@ -13564,6 +13564,12 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                 doTest(fileName);
             }
 
+            @TestMetadata("privateSetterViaSubclass.kt")
+            public void testPrivateSetterViaSubclass() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/properties/lateinit/privateSetterViaSubclass.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("simpleVar.kt")
             public void testSimpleVar() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/properties/lateinit/simpleVar.kt");
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java b/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
index 941d67293c4..a016270c9a9 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
@@ -15046,6 +15046,12 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("privateSetterViaSubclass.kt")
+            public void testPrivateSetterViaSubclass() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/properties/lateinit/privateSetterViaSubclass.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("simpleVar.kt")
             public void testSimpleVar() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/properties/lateinit/simpleVar.kt");