diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/wat-mode/default.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/wat-mode/default.nix
index fd06bcdecab0..4f5ff8535bdb 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/wat-mode/default.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/wat-mode/default.nix
@@ -1,6 +1,10 @@
 # Manually packaged until it is upstreamed to melpa
 # See https://github.com/devonsparks/wat-mode/issues/1
-{ lib, melpaBuild, fetchFromGitHub }:
+{
+  lib,
+  melpaBuild,
+  fetchFromGitHub,
+}:
 
 melpaBuild {
   pname = "wat-mode";