diff --git a/calendar/inc/class.calendar_boupdate.inc.php b/calendar/inc/class.calendar_boupdate.inc.php
index 956372d142..ec9dad6aaf 100644
--- a/calendar/inc/class.calendar_boupdate.inc.php
+++ b/calendar/inc/class.calendar_boupdate.inc.php
@@ -1826,7 +1826,7 @@ class calendar_boupdate extends calendar_bo
 			foreach ($matchFields as $key)
 			{
 				if (!empty($event[$key]) && (empty($egwEvent[$key])
-						|| strpos($egwEvent[$key], $event[$key]) !== 0))
+						|| strpos(str_replace("\r\n", "\n", $egwEvent[$key]), $event[$key]) !== 0))
 				{
 					if ($this->log)
 					{