diff --git a/htdocs/user/group/list.php b/htdocs/user/group/list.php
index edd34dfe9b8..302d697c563 100644
--- a/htdocs/user/group/list.php
+++ b/htdocs/user/group/list.php
@@ -3,7 +3,7 @@
  * Copyright (C) 2004-2018  Laurent Destailleur     <eldy@users.sourceforge.net>
  * Copyright (C) 2005-2018  Regis Houssin           <regis.houssin@inodbox.com>
  * Copyright (C) 2011       Herve Prot              <herve.prot@symeos.com>
- * Copyright (C) 2019       Frédéric France         <frederic.france@netlogic.fr>
+ * Copyright (C) 2019-2021  Frédéric France         <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -34,6 +34,7 @@ $langs->load("users");
 $sall = trim((GETPOST('search_all', 'alphanohtml') != '') ?GETPOST('search_all', 'alphanohtml') : GETPOST('sall', 'alphanohtml'));
 $search_group = GETPOST('search_group');
 $optioncss = GETPOST('optioncss', 'alpha');
+$massaction = GETPOST('massaction', 'alpha'); // The bulk action (combo box choice into lists)
 
 // Defini si peux lire/modifier utilisateurs et permisssions
 $caneditperms = ($user->admin || $user->rights->user->user->creer);