diff --git a/infolog/inc/class.infolog_zpush.inc.php b/infolog/inc/class.infolog_zpush.inc.php
index 4cc7ceb77a..1b2558eaa5 100644
--- a/infolog/inc/class.infolog_zpush.inc.php
+++ b/infolog/inc/class.infolog_zpush.inc.php
@@ -410,7 +410,13 @@ class infolog_zpush implements activesync_plugin_write
 				switch ($attr)
 				{
 					case 'info_des':
-						$infolog[$attr] = $this->backend->messagenote2note($message->body, $message->rtf, $message->airsyncbasebody);
+						if (is_null($message->asbody)) $message->asbody = new SyncBaseBody();
+						// only change info_des, if one given, as iOS5 skips description in ChangeMessage
+						// --> we ignore empty / not set description, so description get no longer lost, but you cant empty it via eSync
+						if (($description = $this->backend->messagenote2note($message->body, $message->rtf, $message->asbody)))
+						{
+							$infolog[$attr] = $description;
+						}
 						break;
 
 					case 'info_cat':