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-rw-r--r--apps/dav/lib/CalDAV/CalDavBackend.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/apps/dav/lib/CalDAV/CalDavBackend.php b/apps/dav/lib/CalDAV/CalDavBackend.php
index c99689619d8..84ec8433a83 100644
--- a/apps/dav/lib/CalDAV/CalDavBackend.php
+++ b/apps/dav/lib/CalDAV/CalDavBackend.php
@@ -152,7 +152,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
$query->andWhere($query->expr()->neq('uri', $query->createNamedParameter(BirthdayService::BIRTHDAY_CALENDAR_URI)));
}
- return $query->execute()->fetchColumn();
+ return (int)$query->execute()->fetchColumn();
}
/**