diff --git a/nix/modules/customer-portal/default.nix b/nix/modules/customer-portal/default.nix
index 1d2c325..6c57d9c 100755
--- a/nix/modules/customer-portal/default.nix
+++ b/nix/modules/customer-portal/default.nix
@@ -1,4 +1,4 @@
-{ lib, pkgs, config, utils, ... }:
+{ lib, pkgs, config, utils, self, ... }:
 let
   inherit (lib) mkEnableOption mkPackageOption mkOption mkIf types;
 
@@ -12,7 +12,7 @@ in
   options.services.amarth-customer-portal = {
     enable = mkEnableOption "Enable Amarth cloud's customer portal.";
 
-    package = mkPackageOption pkgs "amarth-customer-portal." {};
+    package = mkPackageOption self "amarth-customer-portal" {};
 
     openFirewall = mkOption {
       type = types.bool;