diff --git a/systems/x86_64-linux/stargate/services/nginx.nix b/systems/x86_64-linux/stargate/services/nginx.nix
index d8039db..475458d 100644
--- a/systems/x86_64-linux/stargate/services/nginx.nix
+++ b/systems/x86_64-linux/stargate/services/nginx.nix
@@ -82,7 +82,7 @@ in {
         locations."/" = let
           cfg = config.services.paperless;
         in {
-          proxyPass = "http://${cfg.address}:${cfg.port}";
+          proxyPass = "http://${cfg.address}:${builtins.toString cfg.port}";
         };
       };
     };