diff --git a/flake.nix b/flake.nix
index e5005d6..55bc46b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -111,7 +111,9 @@
     let
       inherit (nixpkgs) lib;
       nixosConfigurations = import ./nixosConfigurations.nix { inherit inputs lib; };
-      supported-systems = lib.unique (lib.mapAttrsToList (_: v: v.pkgs.system) nixosConfigurations);
+      supported-systems = lib.unique (
+        lib.mapAttrsToList (_: v: v.pkgs.stdenv.hostPlatform.system) nixosConfigurations
+      );
       treefmt-config = {
         projectRootFile = "flake.nix";
         programs = {