diff --git a/src/Worker/Queue.php b/src/Worker/Queue.php
index 35642ae729..47f1c8044b 100644
--- a/src/Worker/Queue.php
+++ b/src/Worker/Queue.php
@@ -13,6 +13,7 @@ use Friendica\Database\DBM;
 use Friendica\Protocol\Diaspora;
 use Friendica\Protocol\DFRN;
 use Friendica\Protocol\PortableContact;
+use dba;
 
 require_once 'include/queue_fn.php';
 require_once 'include/datetime.php';