diff --git a/addons/website/views/website_templates.xml b/addons/website/views/website_templates.xml
index 29a435b1d76..3beda6a4d77 100644
--- a/addons/website/views/website_templates.xml
+++ b/addons/website/views/website_templates.xml
@@ -33,15 +33,15 @@
 
 <template id="website.submenu" name="Submenu">
     <li t-if="not submenu.child_id" t-att-class="
-        ((submenu.url != '/' and request.httprequest.path.startswith(submenu.url)) or
+        ((submenu.url and submenu.url != '/' and request.httprequest.path.startswith(submenu.url)) or
          request.httprequest.path == submenu.url) and 'active'
         ">
-        <a t-att-href="(website.menu_id.child_id[0] == submenu) and '/' or submenu.url" t-ignore="true" t-att-target="'blank' if submenu.new_window else None">
+        <a t-att-href="(website.menu_id.child_id[0] == submenu) and '/' or submenu.url" t-ignore="true" t-att-target="'_blank' if submenu.new_window else None">
             <span t-field="submenu.name"/>
         </a>
     </li>
     <li t-if="submenu.child_id" t-attf-class="dropdown #{
-        ((submenu.url != '/' and [1 for submenu in submenu.child_id if request.httprequest.path.startswith(submenu.url)]) or
+        ((submenu.url and submenu.url != '/' and [1 for submenu in submenu.child_id if request.httprequest.path.startswith(submenu.url)]) or
          request.httprequest.path == submenu.url) and 'active'
         }">
         <a class="dropdown-toggle" data-toggle="dropdown" href="#">