diff --git a/roles/common/programs/helix.nix b/roles/common/programs/helix.nix
index a10c323..5a535fb 100644
--- a/roles/common/programs/helix.nix
+++ b/roles/common/programs/helix.nix
@@ -6,9 +6,10 @@
       enable = true;
       defaultEditor = true;
       extraPackages = with pkgs; [
+        nixpkgs-fmt
         nil
       ];
-      settings = {
+       settings = {
         theme = "catppuccin_mocha";
         editor = {
           mouse = true;
@@ -21,6 +22,12 @@
           indent-guides.render = true;
         };
       };
+      languages = [
+        {
+          name = "nix";
+          formatter.command = "nixpkgs-fmt";
+        }
+      ];
     };
   };
 }