diff --git a/hosts/modules/server/vaultwarden.nix b/hosts/modules/server/vaultwarden.nix
index 8abd44c..d823e3a 100644
--- a/hosts/modules/server/vaultwarden.nix
+++ b/hosts/modules/server/vaultwarden.nix
@@ -16,7 +16,7 @@ in {
   };
   services.nginx.virtualHosts.${hostname} = {
     enableACME = true;
-    locations."/" = { proxyPass = "http://127.0.0.1:${port}"; };
+    locations."/" = { proxyPass = "http://127.0.0.1:${toString port}"; };
   };
   networking.firewall.allowedTCPPorts = [ port ];
 }