1 files changed, 1 insertions, 1 deletions
diff --git a/app/frontend/dto/EventDTO.php b/app/frontend/dto/EventDTO.php
index 9af06e4..13262bb 100644
--- a/app/frontend/dto/EventDTO.php
+++ b/app/frontend/dto/EventDTO.php
@@ -67,7 +67,7 @@ class EventDTO extends BaseDTO {
 
         $calendars = array_filter(
             $calendars,
-            function ($calendar) use($event) {
+            function (Calendar $calendar) use($event) {
                 return $calendar->UID == $event->CalendarID;
             }
         );