diff --git a/nix/modules/customer-portal/flake-module.nix b/nix/modules/customer-portal/flake-module.nix
index 911c5c9..8bb6156 100755
--- a/nix/modules/customer-portal/flake-module.nix
+++ b/nix/modules/customer-portal/flake-module.nix
@@ -1,7 +1,6 @@
-{ moduleWithSystem, ... }:
+{ self, lib, pkgs, utils, ... }:
 {
-  flake.nixosModules.default = moduleWithSystem (
-    perSystem@{ self, lib, pkgs, utils, ... }:
+  flake.nixosModules.default =
     nixos@{ ... }:
     let
       inherit (lib) mkEnableOption mkPackageOption mkOption mkIf types;
@@ -139,6 +138,5 @@
 
         networking.firewall.allowedTCPPorts = mkIf cfg.openFirewall [ cfg.settings.port ];
       };
-    }
-  );
+    };
 }
\ No newline at end of file