diff --git a/machines/configurations.nix b/machines/configurations.nix
index 129ba74..8139b98 100644
--- a/machines/configurations.nix
+++ b/machines/configurations.nix
@@ -12,7 +12,7 @@ let
   nixosSystem = nixpkgs.lib.makeOverridable nixpkgs.lib.nixosSystem;
   overlay-unstable = final: _prev: {
     unstable = import nixpkgs-unstable {
-      inherit (final) system;
+      inherit (final.stdenv.hostPlatform) system;
       config.allowUnfree = true;
     };
   };