diff --git a/flake.nix b/flake.nix
index 0e071a9..754cda5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -61,6 +61,7 @@
         ];
       };
     });
+    formatter = forAllSystems ({pkgs, ...}: pkgs.alejandra);
 
     nixosModules = {
       neovim = import ./nixos.nix {inherit self;};