diff --git a/compiler/frontend/src/org/jetbrains/kotlin/psi/KtClassOrObject.kt b/compiler/frontend/src/org/jetbrains/kotlin/psi/KtClassOrObject.kt
index f5954f3f822..a37893fcc83 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/psi/KtClassOrObject.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/psi/KtClassOrObject.kt
@@ -83,7 +83,7 @@ abstract class KtClassOrObject :
         return getOrCreateBody().addBefore(declaration, anchorAfter) as T
     }
 
-    fun isTopLevel(): Boolean = stub?.isTopLevel() ?: (parent is KtFile)
+    fun isTopLevel(): Boolean = stub?.isTopLevel() ?: (parent == null || parent is KtFile)
 
     fun isLocal(): Boolean = stub?.isLocal() ?: KtPsiUtil.isLocal(this)