diff --git a/nixos/modules/services/x11/xserver.nix b/nixos/modules/services/x11/xserver.nix
index 8223c1f1e675..1bbcd4ca2ab4 100644
--- a/nixos/modules/services/x11/xserver.nix
+++ b/nixos/modules/services/x11/xserver.nix
@@ -716,7 +716,7 @@ in
 
     system.extraDependencies = singleton (pkgs.runCommand "xkb-validated" {
       inherit (cfg) xkbModel layout xkbVariant xkbOptions;
-      nativeBuildInputs = [ pkgs.xkbvalidate ];
+      nativeBuildInputs = with pkgs.buildPackages; [ xkbvalidate ];
       preferLocalBuild = true;
     } ''
       xkbvalidate "$xkbModel" "$layout" "$xkbVariant" "$xkbOptions"