diff --git a/templates/pages/simple_content_page.html b/templates/pages/simple_content_page.html
index 46d7f9e..79211ac 100644
--- a/templates/pages/simple_content_page.html
+++ b/templates/pages/simple_content_page.html
@@ -5,7 +5,7 @@
 {% block body_class %}template-contentpage{% endblock %}
 
 {% block content %}
-  {% include 'common/header' %}
+  {% include 'common/header.html' %}
   <section class="container">
     {% include_block page.body %}
   </section>