diff --git a/overlay/etc/nginx/sites-available/cache.conf.d/99_gnu.conf b/overlay/etc/nginx/sites-available/cache.conf.d/99_gnu.conf
index 1559e56..5ebe78e 100644
--- a/overlay/etc/nginx/sites-available/cache.conf.d/99_gnu.conf
+++ b/overlay/etc/nginx/sites-available/cache.conf.d/99_gnu.conf
@@ -1,3 +1,4 @@
 #In loving memory of Zoey "Crabbey" Lough. May she live on in the code
 
 add_header X-Clacks-Overhead "GNU Terry Pratchett, GNU Zoey -Crabbey- Lough";
+proxy_set_header X-Clacks-Overhead "GNU Terry Pratchett, GNU Zoey -Crabbey- Lough";