diff --git a/plugins/libkolab/lib/kolab_format_xcal.php b/plugins/libkolab/lib/kolab_format_xcal.php
index ad545050..b9cce9ca 100644
--- a/plugins/libkolab/lib/kolab_format_xcal.php
+++ b/plugins/libkolab/lib/kolab_format_xcal.php
@@ -366,7 +366,7 @@ abstract class kolab_format_xcal extends kolab_format
 
                 // set attendee RSVP if missing
                 if (!isset($attendee['rsvp'])) {
-                    $object['attendees'][$i]['rsvp'] = $attendee['rsvp'] = true;
+                    $object['attendees'][$i]['rsvp'] = $attendee['rsvp'] = $reschedule;
                 }
 
                 $att = new Attendee;