diff --git a/default.nix b/default.nix
index a49fe79b..aa416aab 100644
--- a/default.nix
+++ b/default.nix
@@ -16,13 +16,21 @@
 in {
   inherit tree;
   nixosConfigurations = mapAttrs (_: path: nixpkgs.lib.nixosSystem {
+    specialArgs = {
+      inherit inputs tree;
+      machine = name;
+    };
     system = "x86_64-linux";
     modules = [
       path
     ];
     } ) tree.nixos.systems;
   darwinConfigurations = mapAttrs (_: path: darwin.lib.darwinSystem {
-    system = "x86_64-linux";
+    specialArgs = {
+      inherit inputs tree;
+      machine = name;
+    };
+    system = "aarch64-darwin";
     modules = [
       path
     ];