diff --git a/modules/system/activation/top-level.nix b/modules/system/activation/top-level.nix
index 4e79375ba1c..48c1c0be189 100644
--- a/modules/system/activation/top-level.nix
+++ b/modules/system/activation/top-level.nix
@@ -148,7 +148,8 @@ let
     preferLocalBuild = true;
     buildCommand = systemBuilder;
 
-    inherit (pkgs) systemd utillinux;
+    inherit (pkgs) utillinux;
+    inherit (config.system.build) systemd;
 
     inherit children;
     kernelParams =