diff --git a/compiler/frontend/src/org/jetbrains/kotlin/psi/KtNamedDeclarationNotStubbed.java b/compiler/frontend/src/org/jetbrains/kotlin/psi/KtNamedDeclarationNotStubbed.java
index eeec6006d0e..78653833884 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/psi/KtNamedDeclarationNotStubbed.java
+++ b/compiler/frontend/src/org/jetbrains/kotlin/psi/KtNamedDeclarationNotStubbed.java
@@ -64,7 +64,10 @@ abstract class KtNamedDeclarationNotStubbed extends KtDeclarationImpl implements
 
     @Override
     public PsiElement setName(@NonNls @NotNull String name) throws IncorrectOperationException {
-        return getNameIdentifier().replace(KtPsiFactory(this).createNameIdentifier(name));
+        PsiElement identifier = getNameIdentifier();
+        if (identifier == null) throw new IncorrectOperationException();
+
+        return identifier.replace(KtPsiFactory(this).createNameIdentifier(name));
     }
 
     @Override