diff --git a/flake.nix b/flake.nix
index aa859b4..315b0c5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -89,6 +89,6 @@
       ) { } supportedSystems;
     }
     // flake-utils.lib.eachSystem supportedSystems (system: {
-      formatter = nixpkgs.legacyPackages.${system}.nixfmt-rfc-style;
+      formatter = nixpkgs.legacyPackages.${system}.nixfmt-tree;
     });
 }