--- a/Allura/allura/templates/app_admin_permissions.html
+++ b/Allura/allura/templates/app_admin_permissions.html
@@ -20,7 +20,7 @@
                     <thead>
                       <tr>
                         <th>Role</th>
-                        <th/>
+                        <th></th>
                       </tr>
                     </thead>
                     <tbody>