diff --git a/pkgs/by-name/ni/nix-update/nix-update-script.nix b/pkgs/by-name/ni/nix-update/nix-update-script.nix
index 342b1677c6de..82da510d5061 100644
--- a/pkgs/by-name/ni/nix-update/nix-update-script.nix
+++ b/pkgs/by-name/ni/nix-update/nix-update-script.nix
@@ -1,7 +1,11 @@
-{ lib, nix-update }:
-
-{ attrPath ? null
-, extraArgs ? [ ]
+{
+  lib,
+  nix-update,
 }:
 
-[ "${lib.getExe nix-update}" ] ++ extraArgs ++ lib.optional (attrPath != null) attrPath
+{
+  attrPath ? null,
+  extraArgs ? [ ],
+}:
+
+[ "${lib.getExe nix-update}" ] ++ extraArgs ++ lib.optionals (attrPath != null) [ attrPath ]