diff --git a/htdocs/core/lib/security2.lib.php b/htdocs/core/lib/security2.lib.php
index 33157cde1ce..38f18edbce7 100644
--- a/htdocs/core/lib/security2.lib.php
+++ b/htdocs/core/lib/security2.lib.php
@@ -1,6 +1,7 @@
 <?php
 /* Copyright (C) 2008-2011 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2008-2017 Regis Houssin        <regis.houssin@inodbox.com>
+ * Copyright (C) 2024		MDW							<mdeweerd@users.noreply.github.com>
  *
  * 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
@@ -209,7 +210,7 @@ if (!function_exists('dol_loginfunction')) {
 					session_set_cookie_params($sessioncookieparams);
 				}
 
-				setcookie($sessiontimeout, $conf->global->MAIN_SESSION_TIMEOUT, 0, "/", null, (empty($dolibarr_main_force_https) ? false : true), true);
+				setcookie($sessiontimeout, $conf->global->MAIN_SESSION_TIMEOUT, 0, "/", '', (empty($dolibarr_main_force_https) ? false : true), true);
 			}
 		}