diff --git a/systems/hetzner/ax101.nix b/systems/hetzner/ax101.nix
index eb397ee..d03978e 100644
--- a/systems/hetzner/ax101.nix
+++ b/systems/hetzner/ax101.nix
@@ -105,6 +105,7 @@
   environment.systemPackages = with pkgs; [
     lsof
     nil
+    nixpkgs-fmt
   ];
 
   services.openssh.enable = true;