diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InnerClassesLowering.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InnerClassesLowering.kt
index b70621b9a29..cada6420299 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InnerClassesLowering.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InnerClassesLowering.kt
@@ -103,6 +103,7 @@ class InnerClassesLowering(val context: BackendContext) : ClassLoweringPass {
                 newSymbol,
                 null
             ).apply {
+                parent = irConstructor.parent
                 returnType = irConstructor.returnType
             }
 
diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/coroutines/SuspendFunctionsLowering.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/coroutines/SuspendFunctionsLowering.kt
index 83f2019de59..af9fbe99a60 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/coroutines/SuspendFunctionsLowering.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/coroutines/SuspendFunctionsLowering.kt
@@ -464,6 +464,7 @@ internal class SuspendFunctionsLowering(val context: JsIrBackendContext): FileLo
                     origin      = DECLARATION_ORIGIN_COROUTINE_IMPL,
                     symbol      = symbol).apply {
 
+                    parent = coroutineClass
                     returnType  = coroutineClass.defaultType
 
                     this.valueParameters += constructorParameters
@@ -525,6 +526,7 @@ internal class SuspendFunctionsLowering(val context: JsIrBackendContext): FileLo
                     origin      = DECLARATION_ORIGIN_COROUTINE_IMPL,
                     symbol      = symbol).apply {
 
+                    parent = coroutineClass
                     returnType = coroutineClass.defaultType
 
                     this.valueParameters += constructorParameters