diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/CallableReferenceLowering.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/CallableReferenceLowering.kt
index 59aa6fd0790..b2ea044e506 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/CallableReferenceLowering.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/CallableReferenceLowering.kt
@@ -71,7 +71,7 @@ internal class CallableReferenceLowering(val context: Context): FileLoweringPass
                 return result
             }
 
-            override fun visitDeclaration(declaration: IrDeclaration): IrStatement {
+            override fun visitDeclaration(declaration: IrDeclarationBase): IrStatement {
                 lateinit var tempGeneratedClasses: MutableList<IrClass>
                 if (declaration is IrClass) {
                     tempGeneratedClasses = generatedClasses
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/ir/util/IrUtils2.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/ir/util/IrUtils2.kt
index ef52310b5be..f26c25eaa31 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/ir/util/IrUtils2.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/ir/util/IrUtils2.kt
@@ -136,7 +136,7 @@ object SetDeclarationsParentVisitor : IrElementVisitor<Unit, IrDeclarationParent
         }
     }
 
-    override fun visitDeclaration(declaration: IrDeclaration, data: IrDeclarationParent) {
+    override fun visitDeclaration(declaration: IrDeclarationBase, data: IrDeclarationParent) {
         declaration.parent = data
         super.visitDeclaration(declaration, data)
     }