diff --git a/addons/website/views/website_templates.xml b/addons/website/views/website_templates.xml
index 2c24ed98d31..5c71266af9d 100644
--- a/addons/website/views/website_templates.xml
+++ b/addons/website/views/website_templates.xml
@@ -40,7 +40,7 @@
         </a>
     </li>
     <li t-if="submenu.child_id" t-attf-class="dropdown #{
-        (submenu.url and submenu.url != '/' and any([request.httprequest.path == child.url.replace('/page/website.', '/page/') for child in submenu.child_id]) or
+        (submenu.url and submenu.url != '/' and any([request.httprequest.path == child.url.replace('/page/website.', '/page/') for child in submenu.child_id if child.url]) or
          (submenu.url and request.httprequest.path == submenu.url.replace('/page/website.', '/page/'))) and 'active'
         }">
         <a class="dropdown-toggle" data-toggle="dropdown" href="#">