diff --git a/lib/edit/offlineFeaturesManager.js b/lib/edit/offlineFeaturesManager.js
index 789c2c8..00daef2 100644
--- a/lib/edit/offlineFeaturesManager.js
+++ b/lib/edit/offlineFeaturesManager.js
@@ -91,6 +91,8 @@ define([
                 extend: function (layer, callback, dataStore) {
                     var self = this;
 
+                    layer.objectIdField = this.DB_UID;
+
                     // Initialize the database as well as set offline data.
                     this._initializeDB(dataStore,callback);