diff --git a/doc/codewalk/codewalk.js b/doc/codewalk/codewalk.js
index f780bc7..eb4667a 100644
--- a/doc/codewalk/codewalk.js
+++ b/doc/codewalk/codewalk.js
@@ -297,7 +297,7 @@
 };
 
 jQuery(document).ready(function() {
-  var viewer = new CodewalkViewer(jQuery());
+  var viewer = new CodewalkViewer(jQuery('#codewalk-main'));
   viewer.selectFirstComment();
   viewer.targetCommentLinksAtBlank();
   viewer.installEventHandlers();