diff --git a/calendar/inc/class.socalendar_sql.inc.php b/calendar/inc/class.socalendar_sql.inc.php
index 15dbc354d6..6c5be6fe43 100755
--- a/calendar/inc/class.socalendar_sql.inc.php
+++ b/calendar/inc/class.socalendar_sql.inc.php
@@ -396,7 +396,7 @@ class socalendar_ extends socalendar__
 				$part[$key] = substr($GLOBALS['phpgw']->crypto->encrypt($event[$field]),0,20);
 				if(!$GLOBALS['phpgw']->crypto->enabled)
 				{
-					$part[$key] = GLOBALS['phpgw']->crypto->bin2hex(unserialize($part[$key]));
+					$part[$key] = bin2hex(unserialize($part[$key]));
 				}
 			}
 			$event['uid'] = $part[0].'-'.$part[1].'@'.$id_suffix;