diff --git a/plugins/libkolab/lib/kolab_format_xcal.php b/plugins/libkolab/lib/kolab_format_xcal.php
--- a/plugins/libkolab/lib/kolab_format_xcal.php
+++ b/plugins/libkolab/lib/kolab_format_xcal.php
@@ -664,8 +664,13 @@
         // create tags reflecting participant status
         if (is_array($object['attendees'])) {
             foreach ($object['attendees'] as $attendee) {
-                if (!empty($attendee['email']) && !empty($attendee['status']))
-                    $tags[] = 'x-partstat:' . $attendee['email'] . ':' . strtolower($attendee['status']);
+                if (!empty($attendee['email']) && !empty($attendee['status'])) {
+                    if ($attendee['email'] != $object['organizer']['email']) {
+                        $tags[] = 'x-partstat:' .
+                            $attendee['email'] . ':' .
+                            strtolower($attendee['status']);
+                    }
+                }
             }
         }