diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/urweb-mode/default.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/urweb-mode/default.nix
index 4a407c454085..d5b597bdf47b 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/urweb-mode/default.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/urweb-mode/default.nix
@@ -1,8 +1,9 @@
-{ lib
-, melpaBuild
-, urweb
-, cl-lib
-, flycheck
+{
+  lib,
+  melpaBuild,
+  urweb,
+  cl-lib,
+  flycheck,
 }:
 
 melpaBuild {