diff --git a/services/web/public/coffee/track-changes/DiffView.coffee b/services/web/public/coffee/track-changes/DiffView.coffee
index d704ae6bb0..b5c3269ce4 100644
--- a/services/web/public/coffee/track-changes/DiffView.coffee
+++ b/services/web/public/coffee/track-changes/DiffView.coffee
@@ -279,7 +279,7 @@ define [
 			@aceEditor.scrollToLine(@firstHiddenChangeAfter.range.end.row, true, false)
 
 		resize: () ->
-			@aceEditor.resize()
+			@aceEditor?.resize()
 
 	return DiffView