diff --git a/lib/extension.js b/lib/extension.js
index bd21d81..671726b 100644
--- a/lib/extension.js
+++ b/lib/extension.js
@@ -73,7 +73,7 @@
 	};
 	
 	scope.getURL = function getURL(str){
-		return (browser.runtime.getURL? browser.runtime.getURL: browser.extension.getURL)(str);
+		return browser.runtime.getURL(str);
 	};
 	
 	scope.extensionID = browserAvailable? scope.getURL(""): "extensionID";