diff --git a/volumes/conf.d/code.zinomedia.de.conf b/volumes/conf.d/code.zinomedia.de.conf
index 6a76f39..20713e9 100644
--- a/volumes/conf.d/code.zinomedia.de.conf
+++ b/volumes/conf.d/code.zinomedia.de.conf
@@ -21,7 +21,7 @@ server {
     include "snippets/enable-vouch.conf"; 
 
     location / {
-        add_header Sec-Fetch-Site none;
+        proxy_set_header Sec-Fetch-Site none;
         resolver 127.0.0.11;
         set $upstream "code-server:8443";