diff --git a/nix/modules/customer-portal/flake-module.nix b/nix/modules/customer-portal/flake-module.nix
index 75d0c7f..c5794b3 100755
--- a/nix/modules/customer-portal/flake-module.nix
+++ b/nix/modules/customer-portal/flake-module.nix
@@ -13,7 +13,7 @@
       options.services.amarth-customer-portal = {
         enable = mkEnableOption "Enable Amarth cloud's customer portal.";
 
-        package = mkPackageOption self.packages.${pkgs.hostPlatform} "amarth-customer-portal" {};
+        package = mkPackageOption self.packages.${pkgs.hostPlatform.system} "amarth-customer-portal" {};
 
         openFirewall = mkOption {
           type = types.bool;