--- a/Allura/allura/templates/repo/merge_requests.html
+++ b/Allura/allura/templates/repo/merge_requests.html
@@ -1,4 +1,4 @@
-{% extends 'repo/repo_master.html' %}
+{% extends 'allura:templates/repo/repo_master.html' %}
 
 {% block title %}
   {% if c.app.repo %}