diff --git a/chrome/content/utilityOverlay.js b/chrome/content/utilityOverlay.js
index d8b4733..d34db7d 100644
--- a/chrome/content/utilityOverlay.js
+++ b/chrome/content/utilityOverlay.js
@@ -131,7 +131,7 @@
   //²à±ßÀ¸ÊéÇ©
   TU_hookCode("TU_openNodeWithEvent", /_openNodeIn\((.*)\)/, function(s, s1) s.replace(s1, (s1 = s1.split(","), s1.push("aEvent || {}"), s1.join())));
   TU_hookCode("TU__openNodeIn",
-    ["{", "var aEvent = arguments[arguments.callee.length];"],
+    ["{", "var aEvent = arguments[arguments.length - 1];"],
     ['aWhere == "current"', '(aEvent ? !aEvent.button && !aEvent.ctrlKey && !aEvent.altKey && !aEvent.shiftKey && !aEvent.metaKey : $&)']
   );
 
diff --git a/install.rdf b/install.rdf
index b051986..3b5fb2d 100644
--- a/install.rdf
+++ b/install.rdf
@@ -4,7 +4,7 @@
     <em:id>tabutilsfixed@addon.cn</em:id>
     <em:type>2</em:type>
     <em:name>Tab Utilities Fixed</em:name>
-    <em:version>1.5.2015.09.11</em:version>
+    <em:version>1.5.2015.09.12</em:version>
     <em:creator>YFdyh000</em:creator>
     <em:contributor>ithinc (Former author)</em:contributor>
     <em:contributor>Phil Tsarik</em:contributor>