diff --git a/lib/models/ConsultationSlot.php b/lib/models/ConsultationSlot.php
index 2a71fbd3a0d8beeb3a38b9e2cb1f3845dccf01b9..0da02df993c8f66e45f2de92b151a616f8d90682 100644
--- a/lib/models/ConsultationSlot.php
+++ b/lib/models/ConsultationSlot.php
@@ -276,7 +276,7 @@ class ConsultationSlot extends SimpleORMap
                     );
                     $event->event->description = $booking->reason;
                 } else {
-                    $event->event->summary = sprintf(
+                    $event->event->title = sprintf(
                         _('Termin mit %u Personen'),
                         count($bookings)
                     );