diff --git a/lib/private/Calendar/Manager.php b/lib/private/Calendar/Manager.php
index 08d597cbbab..1bcea5d7353 100644
--- a/lib/private/Calendar/Manager.php
+++ b/lib/private/Calendar/Manager.php
@@ -290,7 +290,7 @@ class Manager implements IManager {
 			}
 		}
 
-		if ($options['absent'] === 'create') {
+		if (isset($options['absent']) && $options['absent'] === 'create') {
 			// retrieve the primary calendar for the user
 			$calendar = $this->getPrimaryCalendar($userId);
 			if ($calendar !== null && (