diff --git a/source/_layouts/app.html.twig b/source/_layouts/base.html.twig
similarity index 100%
rename from source/_layouts/app.html.twig
rename to source/_layouts/base.html.twig
diff --git a/source/_layouts/page.html.twig b/source/_layouts/page.html.twig
index c118cce..de74197 100644
--- a/source/_layouts/page.html.twig
+++ b/source/_layouts/page.html.twig
@@ -1,4 +1,4 @@
-{% extends 'app' %}
+{% extends 'base' %}
 
 {% block body %}
     {% include 'layout/header' %}