From e5eb7aa43ae6a13ce94bfe9c361548292a1fdd73 Mon Sep 17 00:00:00 2001
From: Dmitry Batrak <Dmitry.Batrak@jetbrains.com>
Date: Mon, 21 Apr 2014 19:52:40 +0400
Subject: [PATCH] EA-31437 - assert: DocumentFoldingInfo.writeExternal

---
 .../folding/impl/OffsetsElementSignatureProvider.java           | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/OffsetsElementSignatureProvider.java b/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/OffsetsElementSignatureProvider.java
index cae4fe686078..5a9defd95d0c 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/OffsetsElementSignatureProvider.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/OffsetsElementSignatureProvider.java
@@ -206,7 +206,7 @@ public class OffsetsElementSignatureProvider extends AbstractElementSignaturePro
     buffer.append(ELEMENT_TOKENS_SEPARATOR).append(index);
     PsiFile containingFile = element.getContainingFile();
     if (containingFile != null && containingFile.getViewProvider().getLanguages().size() > 1) {
-      buffer.append(ELEMENT_TOKENS_SEPARATOR).append(element.getLanguage().getID());
+      buffer.append(ELEMENT_TOKENS_SEPARATOR).append(containingFile.getLanguage().getID());
     }
     return buffer.toString();
   }