diff --git a/kopia.yaml b/kopia.yaml
index 4a72d08..f1b4f35 100644
--- a/kopia.yaml
+++ b/kopia.yaml
@@ -36,7 +36,7 @@ services:
         # Optional Caddy reverse proxy
         caddy: kopia.backrest.netgrimoire.com
         caddy.import: authentik
-        caddy.reverse_proxy: "http://kopia:51515"
+        caddy.reverse_proxy: "{{upstreams 51515}}" 
 
 networks:
   netgrimoire: