diff --git a/nixos/modules/system/activation/top-level.nix b/nixos/modules/system/activation/top-level.nix
index 14bd751ce32..49693b6f1be 100644
--- a/nixos/modules/system/activation/top-level.nix
+++ b/nixos/modules/system/activation/top-level.nix
@@ -75,7 +75,7 @@ let
       echo -n "$configurationName" > $out/configuration-name
       echo -n "systemd ${toString config.systemd.package.interfaceVersion}" > $out/init-interface-version
       echo -n "$nixosLabel" > $out/nixos-version
-      echo -n "${pkgs.stdenv.hostPlatform.system}" > $out/system
+      echo -n "${config.boot.kernelPackages.stdenv.hostPlatform.system}" > $out/system
 
       mkdir $out/fine-tune
       childCount=0