diff --git a/module/extension/js/common.js b/module/extension/js/common.js
index e2e8f453b7..ce34126492 100644
--- a/module/extension/js/common.js
+++ b/module/extension/js/common.js
@@ -1,3 +1,3 @@
 if($('a.iframe').size()) $("a.iframe").colorbox({width:800, height:400, iframe:true, transition:'elastic', speed:350, scrolling:true});
 if($('a.manual').size()) $("a.manual").colorbox({width:1024, height:600, iframe:true, transition:'elastic', speed:350, scrolling:false});
-if($('a.extension').size()) $("a.extension").colorbox({width:1024, height:480, iframe:true, transition:'elastic', speed:350, scrolling:false});
+if($('a.extension').size()) $("a.extension").colorbox({width:1024, height:480, iframe:true, transition:'elastic', speed:350, scrolling:true});