diff --git a/common.nix b/common.nix
index 44bb9dc..8612199 100644
--- a/common.nix
+++ b/common.nix
@@ -68,8 +68,6 @@ with builtins; {
       aria2
       usbutils
       numbat
-
-      alejandra
     ];
   };
 
diff --git a/modules/shell/helix.nix b/modules/shell/helix.nix
index 66fb716..2929e9b 100644
--- a/modules/shell/helix.nix
+++ b/modules/shell/helix.nix
@@ -62,6 +62,14 @@
             name = "nu";
             language-servers = ["nu-builtin-lsp"];
           }
+          {
+            name = "nix";
+            formatter = {
+              command = "${pkgs.alejandra}/bin/alejandra";
+              args = ["--quiet"];
+            };
+            auto-format = true;
+          }
         ];
       };
     };