diff --git a/lib/builders.nix b/lib/builders.nix
index a05310e..a042706 100644
--- a/lib/builders.nix
+++ b/lib/builders.nix
@@ -42,7 +42,7 @@ rec {
         pkgs = nixpkgs.legacyPackages."${system}";
         extraSpecialArgs = {
           inherit inputs;
-          lib = lib.extend (_: _: inputs.home-manager.lib);
+          lib = lib.extend inputs.home-manager.lib;
         };
 
         modules = [