diff --git a/cocos/2d/CCUserDefault.cpp b/cocos/2d/CCUserDefault.cpp
index ab30c805a0..5a85d65b41 100644
--- a/cocos/2d/CCUserDefault.cpp
+++ b/cocos/2d/CCUserDefault.cpp
@@ -66,7 +66,7 @@ static tinyxml2::XMLElement* getXMLNodeForKey(const char* pKey, tinyxml2::XMLEle
 			CCLOG("can not read xml file");
 			break;
 		}
-		xmlDoc->Parse(pXmlBuffer);
+		xmlDoc->Parse(pXmlBuffer, nSize);
         delete[] pXmlBuffer;
 		// get root node
 		*rootNode = xmlDoc->RootElement();