diff --git a/platform/core-impl/src/com/intellij/psi/impl/source/PsiFileImpl.java b/platform/core-impl/src/com/intellij/psi/impl/source/PsiFileImpl.java
index 93faaab938dd..d145111884f2 100644
--- a/platform/core-impl/src/com/intellij/psi/impl/source/PsiFileImpl.java
+++ b/platform/core-impl/src/com/intellij/psi/impl/source/PsiFileImpl.java
@@ -666,7 +666,7 @@ public abstract class PsiFileImpl extends ElementBase implements PsiFileEx, PsiF
     if (derefd != null) return derefd;
     if (getTreeElement() != null) return null;
 
-    if (!(getContentElementType() instanceof IStubFileElementType)) return null;
+    if (getElementTypeForStubBuilder() == null) return null;
 
     final VirtualFile vFile = getVirtualFile();
     if (!(vFile instanceof VirtualFileWithId)) return null;