diff --git a/lib/builders.nix b/lib/builders.nix
index 0e4197c..51c61f8 100644
--- a/lib/builders.nix
+++ b/lib/builders.nix
@@ -8,10 +8,10 @@ let
     overlays = [ self.overlays.default ];
   });
 
-  lib = nixpkgs.lib;
+  lib = nixpkgs.lib.extend (import ../lib);
 
   inherit (inputs.home-manager.lib) homeManagerConfiguration;
-  inherit (lib) nixosSystem;
+  inherit (lib) nixosSystem right;
   inherit (lib.strings) optionalString;
   inherit (lib.attrsets) nameValuePair;
 in