diff --git a/cocos2d/base_nodes/CCNode.js b/cocos2d/base_nodes/CCNode.js
index f620db75ac..d148aae0ee 100644
--- a/cocos2d/base_nodes/CCNode.js
+++ b/cocos2d/base_nodes/CCNode.js
@@ -1193,6 +1193,7 @@ cc.NodeWebGL = cc.Class.extend(/** @lends cc.NodeWebGL# */{
                 //continue moving element downwards while zOrder is smaller or when zOrder is the same but mutatedIndex is smaller
                 while (j >= 0 && ( tempItem._zOrder < tempChild._zOrder ||
                     ( tempItem._zOrder == tempChild._zOrder && tempItem._orderOfArrival < tempChild._orderOfArrival ))) {
+                    tempChild =  _children[j];
                     _children[j + 1] = tempChild;
                     j = j - 1;
                 }