diff --git a/lib/ace/worker/v2/worker_client.js b/lib/ace/worker/v2/worker_client.js
index 8e42a3aad87..0fe32fc9d43 100644
--- a/lib/ace/worker/v2/worker_client.js
+++ b/lib/ace/worker/v2/worker_client.js
@@ -190,7 +190,7 @@ define(function (require, exports, module) {
 
       this.$doc = doc;
       this.call("setValue", [doc.getValue()]);
-      doc.on("change", this.changeListener);
+      doc.on("change", this.changeListener, true);
     };
 
     this.changeListener = function (delta) {
diff --git a/lib/ace/worker/worker_client.js b/lib/ace/worker/worker_client.js
index 1bd54ffcb05..aa34c24e04d 100644
--- a/lib/ace/worker/worker_client.js
+++ b/lib/ace/worker/worker_client.js
@@ -184,7 +184,7 @@ var WorkerClient = function(worker) {
 
         this.$doc = doc;
         this.call("setValue", [doc.getValue()]);
-        doc.on("change", this.changeListener);
+        doc.on("change", this.changeListener, true);
     };
 
     this.changeListener = function(delta) {