diff --git a/services/track-changes/app/coffee/DiffGenerator.coffee b/services/track-changes/app/coffee/DiffGenerator.coffee
index 6e3b36643b..53f7c2d343 100644
--- a/services/track-changes/app/coffee/DiffGenerator.coffee
+++ b/services/track-changes/app/coffee/DiffGenerator.coffee
@@ -11,7 +11,7 @@ module.exports = DiffGenerator =
 	ConsistencyError: ConsistencyError
 
 	rewindUpdate: (content, update) ->
-		for op, i in update.op by -1
+		for op, i in update.op by -1 when op.broken isnt true
 			try
 				content = DiffGenerator.rewindOp content, op
 			catch e