fix(caldav): broken activity rich objectsfix/broken-event-notifications

Signed-off-by: Anna Larch <anna@nextcloud.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Base.php b/apps/dav/lib/CalDAV/Activity/Provider/Base.php
index a063a31d015..14e68cc6a3d 100644
--- a/apps/dav/lib/CalDAV/Activity/Provider/Base.php
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Base.php
@@ -52,14 +52,14 @@ abstract class Base implements IProvider {
 			$data['name'] === CalDavBackend::PERSONAL_CALENDAR_NAME) {
 			return [
 				'type' => 'calendar',
-				'id' => $data['id'],
+				'id' => (string)$data['id'],
 				'name' => $l->t('Personal'),
 			];
 		}
 
 		return [
 			'type' => 'calendar',
-			'id' => $data['id'],
+			'id' => (string)$data['id'],
 			'name' => $data['name'],
 		];
 	}
@@ -72,7 +72,7 @@ abstract class Base implements IProvider {
 	protected function generateLegacyCalendarParameter($id, $name) {
 		return [
 			'type' => 'calendar',
-			'id' => $id,
+			'id' => (string)$id,
 			'name' => $name,
 		];
 	}