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
@@ -171,6 +171,15 @@
                     'delegated-from' => $delegators,
                     'delegated-to' => $delegatees,
                 );
+            } else {
+                $object['attendees'][] = array(
+                    'role' => 'ORGANIZER',
+                    'cutype' => 'REQ-PARTICIPANT',
+                    'status' => $object['status'] == 'CANCELLED' ? 'DECLINED' : 'ACCEPTED',
+                    'rsvp' => false,
+                    'email' => $object['organizer']['email'],
+                    'name' => $object['organizer']['name']
+                );
             }
         }