diff --git a/modules/services/sharkey-proxy.nix b/modules/services/sharkey-proxy.nix
index d81bb23..1fed4ce 100644
--- a/modules/services/sharkey-proxy.nix
+++ b/modules/services/sharkey-proxy.nix
@@ -11,7 +11,7 @@
           proxy_set_header Host $host;
           proxy_set_header X-Real-IP $remote_addr;
           proxy_set_header X-Forwarded-Proto https;
-          proxy_set_header X-Forwarded-For $remote_addr;
+          proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
           proxy_set_header X-Forwarded-Host $remote_addr;
         '';
       };