diff --git a/askbot/media/js/pages/question/init_page.js b/askbot/media/js/pages/question/init_page.js
index 528ff582ee..ff510c526f 100644
--- a/askbot/media/js/pages/question/init_page.js
+++ b/askbot/media/js/pages/question/init_page.js
@@ -21,7 +21,7 @@ function initEditor(){
 PostVote.init();
 
 $(document).ready(function(){
-  $("#js-answers-sort-" + askbot['data']['answersSortTab']).attr('className',"js-active");
+  $("#js-answers-sort-" + askbot['data']['answersSortTab']).attr('class',"js-active");
 
   if (askbot['data']['threadIsClosed'] === false) {
     initEditor();