diff --git a/core/themes/bartik/templates/region--primary-menu.html.twig b/core/themes/bartik/templates/region--primary-menu.html.twig
index 8355ffb..30d74e5 100644
--- a/core/themes/bartik/templates/region--primary-menu.html.twig
+++ b/core/themes/bartik/templates/region--primary-menu.html.twig
@@ -21,7 +21,6 @@
   ]
 %}
 {% if content %}
-  <div{{ attributes.addClass(classes) }}>
-    {{ content }}
-  </div>
+  {% extends "@classy/layout/region.html.twig" %}
+  {% set attributes = attributes.addClass('primary-menu', 'layout-' ~ region|clean_class) %}
 {% endif %}