diff --git a/lib/client.js b/lib/client.js
index 88d39ba6..93f622fa 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -143,7 +143,7 @@ var Util, DOM, CloudFunc, CloudCmd;
             },
             lFunc = function(pCallBack){
                 CloudCmd.OLD_BROWSER = true;
-                var lSrc = CloudCmd.LIBDIRCLIENT + 'ie.js';
+                var lSrc = CloudCmd.LIBDIRCLIENT + 'polyfill.js';
                 
                 DOM.jqueryLoad(
                     DOM.retJSLoad(lSrc, pCallBack)