diff --git a/volumes/conf.d/registry.zinomedia.de.conf b/volumes/conf.d/registry.zinomedia.de.conf
index 6e5dc6d..2ab3b46 100644
--- a/volumes/conf.d/registry.zinomedia.de.conf
+++ b/volumes/conf.d/registry.zinomedia.de.conf
@@ -44,7 +44,7 @@ server {
         add_header 'Docker-Distribution-Api-Version' $docker_distribution_api_version always;
 
         resolver 127.0.0.11;
-        set $upstream "registry:5000";
+        set $upstream "http://registry:5000";
         proxy_pass $upstream;
 
         proxy_set_header Host $http_host; # required for docker client's sake