diff --git a/cms/templates/edit-tabs.html b/cms/templates/edit-tabs.html
index 0537568b7a..1ea7eb0aa0 100644
--- a/cms/templates/edit-tabs.html
+++ b/cms/templates/edit-tabs.html
@@ -179,5 +179,5 @@
   </a>
 </div>
 
-<div class="edit-xblock-modal"/>
+<div class="edit-xblock-modal"></div>
 </%block>