diff --git a/engine/object-model/operations.js b/engine/object-model/operations.js
index 769abba..73e6178 100644
--- a/engine/object-model/operations.js
+++ b/engine/object-model/operations.js
@@ -430,6 +430,7 @@ var operations = (function(exports){
   function $$DeliverChangeRecords(callback){
     var changeRecords = callback.PendingChangeRecords;
     if (changeRecords && changeRecords.length) {
+      callback.PendingChangeRecords = [];
       var result = callback.Call(undefined, [new $Array(changeRecords)]);
       if (result && result.Abrupt) return result;
       return true;