diff --git a/apps/dav/appinfo/v1/caldav.php b/apps/dav/appinfo/v1/caldav.php
index 7f2ff2b37d..301ea4b548 100644
--- a/apps/dav/appinfo/v1/caldav.php
+++ b/apps/dav/appinfo/v1/caldav.php
@@ -83,7 +83,7 @@ if ($debugging) {
 
 $server->addPlugin(new \Sabre\DAV\Sync\Plugin());
 $server->addPlugin(new \Sabre\CalDAV\ICSExportPlugin());
-$server->addPlugin(new \Sabre\CalDAV\Schedule\Plugin());
+$server->addPlugin(new \OCA\DAV\CalDAV\Schedule\Plugin());
 $server->addPlugin(new \OCA\DAV\CalDAV\Schedule\IMipPlugin( \OC::$server->getMailer(), \OC::$server->getLogger()));
 $server->addPlugin(new ExceptionLoggerPlugin('caldav', \OC::$server->getLogger()));