diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/LineStatusTracker.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/LineStatusTracker.java
index e27273f9343e..9177842c6680 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/LineStatusTracker.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/LineStatusTracker.java
@@ -167,6 +167,7 @@ public class LineStatusTracker {
   private void destroyRanges() {
     removeAnathema();
     removeHighlightersFromMarkupModel();
+    myDirtyRange = null;
   }
 
   @CalledInAwt