diff --git a/app/views/layouts/base.html.erb b/app/views/layouts/base.html.erb
index 865ca9928..031c847f3 100644
--- a/app/views/layouts/base.html.erb
+++ b/app/views/layouts/base.html.erb
@@ -110,7 +110,7 @@
           </div>
           <%= javascript_tag "$('#sidebar-switch-panel').css('visibility', 'visible');" %>
         <% end %>
-        <div id=sidebar-wrapper %>
+        <div id="sidebar-wrapper">
           <%= yield :sidebar %>
           <%= view_layouts_base_sidebar_hook_response %>
         </div>