diff --git a/nixos/tests/systemd-machinectl.nix b/nixos/tests/systemd-machinectl.nix
index 5c7926e24abf..7a4888ab85f6 100644
--- a/nixos/tests/systemd-machinectl.nix
+++ b/nixos/tests/systemd-machinectl.nix
@@ -1,4 +1,4 @@
-import ./make-test-python.nix (
+import ./make-test-python.nix ({ pkgs, ... }:
   let
 
     container = {
@@ -18,6 +18,7 @@ import ./make-test-python.nix (
     };
 
     containerSystem = (import ../lib/eval-config.nix {
+      inherit (pkgs) system;
       modules = [ container ];
     }).config.system.build.toplevel;