--- a/Allura/allura/templates/repo/admin_extensions.html
+++ b/Allura/allura/templates/repo/admin_extensions.html
@@ -1,4 +1,4 @@
-{% extends 'jinja_master/master.html' %}
+{% extends g.theme.master %}
 
 {% block title %}{{c.project.name}} / {{c.app.config.options.mount_label}} / Admin Viewable Files{% endblock %}