diff --git a/app/views/courses/join_private_courses.js.erb b/app/views/courses/join_private_courses.js.erb
index 8a1680030..0c44770bd 100644
--- a/app/views/courses/join_private_courses.js.erb
+++ b/app/views/courses/join_private_courses.js.erb
@@ -1,3 +1,4 @@
+$('#topnav_course_menu').hide();
 $('#ajax-modal').html('<%= escape_javascript(render :partial => 'join_private_course') %>');
 showModal('ajax-modal', '540px');
 $('#ajax-modal').css('height','390px');