diff --git a/default.nix b/default.nix
index cf16a81acfba..e63a76cd03f3 100644
--- a/default.nix
+++ b/default.nix
@@ -1,13 +1,18 @@
 { configuration ? import ./lib/from-env.nix "NIXOS_CONFIG" /etc/nixos/configuration.nix
+, system ? builtins.currentSystem
 }:
 
 let
   
-  eval = import ./lib/eval-config.nix { modules = [ configuration ]; };
+  eval = import ./lib/eval-config.nix {
+    inherit system;
+    modules = [ configuration ];
+  };
 
   inherit (eval) config pkgs;
 
   vmConfig = (import ./lib/eval-config.nix {
+    inherit system;
     modules = [ configuration ./modules/virtualisation/qemu-vm.nix ];
   }).config;