diff --git a/froide_govplan/templates/froide_govplan/base.html b/froide_govplan/templates/froide_govplan/base.html
index 01e2ab3..fa9711e 100644
--- a/froide_govplan/templates/froide_govplan/base.html
+++ b/froide_govplan/templates/froide_govplan/base.html
@@ -1,18 +1,15 @@
 {% extends "cms/page.html" %}
-
 {% load cms_tags %}
+{% load djangocms_alias_tags %}
 {% load menu_tags %}
-
 {% block navbar %}
-  {{ block.super }}
-
-  {% include "snippets/breadcrumbs.html" with breadcrumbs_background="blue-10" overlay=True %}
+    {{ block.super }}
+    {% include "snippets/breadcrumbs.html" with breadcrumbs_background="blue-10" overlay=True %}
 {% endblock navbar %}
-
 {% block body %}
-  {% static_placeholder "govplan_header" %}
-  {% block app_body %}
-    {% placeholder "content" %}
-  {% endblock app_body %}
-  {% static_placeholder "govplan_footer" %}
+    {% static_alias "govplan_header" %}
+    {% block app_body %}
+        {% placeholder "content" %}
+    {% endblock app_body %}
+    {% static_alias "govplan_footer" %}
 {% endblock body %}