diff --git a/flake.nix b/flake.nix
index 01f9a85..ff5e89c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,6 +3,12 @@
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
   outputs = { nixpkgs, ... }: {
     lib = builtins.import ./lib.nix { pkgs = nixpkgs; };
+    nixosModules.fooud = { pkgs, lib, config, inputs, ... }: {
+      options.programs.fooud.enable = lib.mkEnableOption // { default = true; };
+      config = lib.mkIf config.programs.fooud.enable {
+        environment.systemPackages = [ inputs.fooud.overlays.default.fooud ];
+      };
+    };
     overlays.default = final: prev: {
       fooud = prev.stdenv.mkDerivation rec {
         pname = "fooud";