diff --git a/lib/CalDAV/Backend/PDO.php b/lib/CalDAV/Backend/PDO.php
index 91b5da4411..5f643a6869 100644
--- a/lib/CalDAV/Backend/PDO.php
+++ b/lib/CalDAV/Backend/PDO.php
@@ -228,12 +228,14 @@ public function createCalendar($principalUri, $calendarUri, array $properties)
             'principaluri',
             'uri',
             'transparent',
+            'access',
             'calendarid',
         ];
         $values = [
             ':principaluri' => $principalUri,
             ':uri' => $calendarUri,
             ':transparent' => 0,
+            ':access' => 1,
         ];
 
         $sccs = '{urn:ietf:params:xml:ns:caldav}supported-calendar-component-set';