diff --git a/setup/scripts.js b/setup/scripts.js
index cf73275602..e912bec005 100644
--- a/setup/scripts.js
+++ b/setup/scripts.js
@@ -38,8 +38,7 @@ $(function () {
 $(document).ready(function(){
     width = 0;
     $('ul.tabs li').each(function(){
-        var tabWidth = $(this).width() + 10;
-        width += tabWidth;
+        width += $(this).width() + 10;
     });
     var contentWidth = width;
     width += 250;