diff --git a/lib/system/system_control/systemcontrol.php b/lib/system/system_control/systemcontrol.php
index ef95c6e..428e470 100755
--- a/lib/system/system_control/systemcontrol.php
+++ b/lib/system/system_control/systemcontrol.php
@@ -400,6 +400,7 @@ var $currentCoordinationObject=null;
 */
 	function doSystemAction($system)
 	{
+		global $CONF_COOKIE_ENABLE, $CONF_COOKIE_PREFIX, $CONF_COOKIE_PATH, $CONF_COOKIE_DOMAIN, $CONF_COOKIE_SECURE;
 		switch ($system)
 		{
 			case "begin":