vendor/assets/javascripts/ustyle/tabs.js in ustyle-1.16.2 vs vendor/assets/javascripts/ustyle/tabs.js in ustyle-1.19.2

@@ -157,10 +157,10 @@
 
     return !(tabNav.offsetWidth > 0 || tabNav.offsetHeight > 0);
   };
 
   var getSelector = function(clicked) {
-    return clicked.getAttribute("data-target") || clicked.getAttribute("href");
+    if(clicked) return clicked.getAttribute("data-target") || clicked.getAttribute("href");
   };
 
   return Tabs;
 })(this.Utils);