diff --git a/platform/usageView/src/com/intellij/usages/ChunkExtractor.java b/platform/usageView/src/com/intellij/usages/ChunkExtractor.java
index fa6f6d785052..929f0486299d 100644
--- a/platform/usageView/src/com/intellij/usages/ChunkExtractor.java
+++ b/platform/usageView/src/com/intellij/usages/ChunkExtractor.java
@@ -116,6 +116,7 @@ public class ChunkExtractor {
 
     Project project = file.getProject();
     myDocument = PsiDocumentManager.getInstance(project).getDocument(file);
+    LOG.assertTrue(myDocument != null);
     final FileType fileType = file.getFileType();
     SyntaxHighlighter highlighter = SyntaxHighlighterFactory.getSyntaxHighlighter(fileType, project, file.getVirtualFile());
     highlighter = highlighter == null ? new PlainSyntaxHighlighter() : highlighter;
diff --git a/platform/usageView/src/com/intellij/usages/UsageInfo2UsageAdapter.java b/platform/usageView/src/com/intellij/usages/UsageInfo2UsageAdapter.java
index f2e2fe1ddf41..db5aa7917890 100644
--- a/platform/usageView/src/com/intellij/usages/UsageInfo2UsageAdapter.java
+++ b/platform/usageView/src/com/intellij/usages/UsageInfo2UsageAdapter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2015 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -520,13 +520,12 @@ public class UsageInfo2UsageAdapter implements UsageInModule,
       PsiFile file = getPsiFile();
 
       if (file != null) {
-        ChunkExtractor extractor = ChunkExtractor.getExtractor(file);
         Segment segment = getFirstSegment();
 
         if (segment != null) {
           Document document = PsiDocumentManager.getInstance(getProject()).getDocument(file);
-
           if (document != null) {
+            ChunkExtractor extractor = ChunkExtractor.getExtractor(file);
             SmartList<TextChunk> chunks = new SmartList<TextChunk>();
             extractor.createTextChunks(
               this,