diff --git a/flake.nix b/flake.nix
index 2fe9a18..1ac2041 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,9 +11,7 @@
 
     stable.url = "github:NixOS/nixpkgs/nixos-22.05-small";
 
-    nixos-hardware = {
-      url = "github:NixOS/nixos-hardware/master";
-    };
+    nixos-hardware = { url = "github:NixOS/nixos-hardware/master"; };
 
     emacs-overlay = {
       url = "github:nix-community/emacs-overlay";
@@ -86,7 +84,6 @@
             go
             jq
             nix-diff
-            nixfmt
             sops
             ssh-to-age
             ssh-to-pgp
@@ -121,6 +118,9 @@
         };
       };
 
+      formatter.x86_64-linux = stable.legacyPackages.x86_64-linux.nixfmt;
+      formatter.aarch64-darwin = stable.legacyPackages.aarch64-darwin.nixfmt;
+
       devShells.x86_64-linux.default = buildShell pkgs;
       devShells.aarch64-darwin.default = buildShell darwinPkgs;
 
diff --git a/fmt b/fmt
index 780ca6a..8479bed 100755
--- a/fmt
+++ b/fmt
@@ -1,6 +1,6 @@
 #!/bin/sh
 
 for i in $(find . -name \*.nix ); do
-	nixfmt $i
+	nix fmt $i
 done
 statix check .