Index: js/quicktabs.js
===================================================================
--- js/quicktabs.js
+++ js/quicktabs.js
@@ -106,10 +106,10 @@
     ajax_path = ajax_path[0];
   }
   var args;
-  if (tab.tabObj.args != '') {
+  if (tab.tabObj['args'] instanceof Object) {
     args = tab.tabObj.args.join('/');
   } else {
-    args = '';
+    args = tab.tabObj['args'];
   }
   var viewData = {
     'view_name': tab.tabObj.vid,