Index: t3lib/class.t3lib_befunc.php
===================================================================
--- t3lib/class.t3lib_befunc.php	(Revision 6045)
+++ t3lib/class.t3lib_befunc.php	(Arbeitskopie)
@@ -2906,9 +2906,15 @@
 			if (is_array($MOD_MENU)) {
 				foreach ($MOD_MENU as $key=>$var) {
 						// If a global var is set before entering here. eg if submitted, then it's substituting the current value the array.
-					if (is_array($CHANGED_SETTINGS) && isset($CHANGED_SETTINGS[$key]) && strcmp($settings[$key], $CHANGED_SETTINGS[$key])) {
-						$settings[$key] = (string)$CHANGED_SETTINGS[$key];
-						$changed = 1;
+					if (is_array($CHANGED_SETTINGS) && isset($CHANGED_SETTINGS[$key])) {
+						if ( !is_array($CHANGED_SETTINGS[$key]) && strcmp($settings[$key], $CHANGED_SETTINGS[$key]) ) {
+							$settings[$key] = $CHANGED_SETTINGS[$key];
+							$changed = 1;
+						}
+						if ( is_array($CHANGED_SETTINGS[$key]) && strcmp($settings[$key], serialize($CHANGED_SETTINGS[$key])) )  {
+							$settings[$key] = serialize($CHANGED_SETTINGS[$key]);
+							$changed = 1;
+						}
 					}
 						// If the $var is an array, which denotes the existence of a menu, we check if the value is permitted
 					if (is_array($var) && (!$dontValidateList || !t3lib_div::inList($dontValidateList, $key))) {