diff --git a/modules/applications/vim/home/plugins/editor/conform.nix b/modules/applications/vim/home/plugins/editor/conform.nix
index 40013ed..d85945f 100644
--- a/modules/applications/vim/home/plugins/editor/conform.nix
+++ b/modules/applications/vim/home/plugins/editor/conform.nix
@@ -11,9 +11,22 @@ _: {
         yaml.__raw = ''{ "prettierd", "prettier", stop_after_first = true }'';
         markdown.__raw = ''{ "prettierd", "prettier", stop_after_first = true }'';
         lua = [ "stylua" ];
-        nix = [ "alejandra" ];
+        nix.__raw = ''{ "nix_fmt", "alejandra", stop_after_first = true }'';
         sh = [ "shfmt" ];
       };
+      formatters.nix_fmt = {
+        command = "nix";
+        args = [
+          "fmt"
+          "$FILENAME"
+        ];
+        stdin = false;
+        condition.__raw = ''
+          function()
+            return vim.fn.executable("nix") == 1 and vim.fn.filereadable(vim.fn.findfile("flake.nix", ".;")) == 1
+          end
+        '';
+      };
       format_on_save.__raw = ''
         function(_)
           return { timeout_ms = 1000, lsp_format = "fallback" }