diff --git a/nixos/modules/system/activation/top-level.nix b/nixos/modules/system/activation/top-level.nix
index f67d29005616..346e0b64230f 100644
--- a/nixos/modules/system/activation/top-level.nix
+++ b/nixos/modules/system/activation/top-level.nix
@@ -15,6 +15,7 @@ let
     map (childConfig:
       (import ../../../lib/eval-config.nix {
         inherit baseModules;
+        system = config.nixpkgs.system;
         modules =
            (optionals inheritParent modules)
         ++ [ ./no-clone.nix ]