diff --git a/apps/dav/lib/CalDAV/BirthdayService.php b/apps/dav/lib/CalDAV/BirthdayService.php
index 31a6c73f48485..cadaca0bdb9de 100644
--- a/apps/dav/lib/CalDAV/BirthdayService.php
+++ b/apps/dav/lib/CalDAV/BirthdayService.php
@@ -116,6 +116,7 @@ public function ensureCalendarExists($principal) {
 		$this->calDavBackEnd->createCalendar($principal, self::BIRTHDAY_CALENDAR_URI, [
 			'{DAV:}displayname' => 'Contact birthdays',
 			'{http://apple.com/ns/ical/}calendar-color' => '#FFFFCA',
+			'components'   => 'VEVENT',
 		]);
 
 		return $this->calDavBackEnd->getCalendarByUri($principal, self::BIRTHDAY_CALENDAR_URI);
diff --git a/apps/dav/tests/unit/CardDAV/BirthdayServiceTest.php b/apps/dav/tests/unit/CardDAV/BirthdayServiceTest.php
index 33968ec242d56..7c772184fefe6 100644
--- a/apps/dav/tests/unit/CardDAV/BirthdayServiceTest.php
+++ b/apps/dav/tests/unit/CardDAV/BirthdayServiceTest.php
@@ -182,6 +182,17 @@ public function testGetAllAffectedPrincipals() {
 		], $users);
 	}
 
+	public function testBirthdayCalendarHasComponentEvent() {
+		$this->calDav->expects($this->once())
+			->method('createCalendar')
+			->with('principal001', 'contact_birthdays', [
+				'{DAV:}displayname' => 'Contact birthdays',
+				'{http://apple.com/ns/ical/}calendar-color' => '#FFFFCA',
+				'components'   => 'VEVENT',
+			]);
+		$this->service->ensureCalendarExists('principal001');
+	}
+
 	public function providesBirthday() {
 		return [
 			[true,