diff --git a/flake.nix b/flake.nix
index b046ff8..4e35be2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,6 +23,13 @@
     in
     {
       formatter.${system} = pkgs.nixfmt-tree;
+      apps.nixos-diff = {
+        type = "app";
+        program = "${pkgs.writeShellScript "nixos-diff.sh" ''
+          ${pkgs.nixos-rebuild}/bin/nixos-rebuild build
+          ${pkgs.nvd}/bin/nvd diff /run/current-system /result
+        ''}";
+      };
       devShells.${system}.default = pkgs.mkShell {
         packages = [
           (agenix.packages.${system}.default)