diff --git a/nix/home-manager.nix b/nix/home-manager.nix
index f6067f3..c21b1cd 100644
--- a/nix/home-manager.nix
+++ b/nix/home-manager.nix
@@ -10,7 +10,7 @@ flake: {
      options.profiles.emacs = {
        enable = lib.mkEnableOption
          "Enable emacs configuration managed by twist";
-       directory = mkOption {
+       directory = lib.mkOption {
          type = types.str;
          description = "Relative path in string to user-emacs-directory from the home directory";
          default = "${config.xdg.configHome}/emacs";