diff --git a/platform/diff-impl/src/com/intellij/openapi/vcs/ex/DocumentTracker.kt b/platform/diff-impl/src/com/intellij/openapi/vcs/ex/DocumentTracker.kt
index 23c4c4863206..48d95bac7702 100644
--- a/platform/diff-impl/src/com/intellij/openapi/vcs/ex/DocumentTracker.kt
+++ b/platform/diff-impl/src/com/intellij/openapi/vcs/ex/DocumentTracker.kt
@@ -653,7 +653,7 @@ private class LineTracker(private val handler: Handler,
     handler.onRangesAdded(newBlocks)
 
     blocks = newBlocks
-    if (dirty) isDirty = true
+    isDirty = dirty
 
     handler.afterExplicitChange()
   }