diff --git a/src/Worker/Cron.php b/src/Worker/Cron.php
index 00b28b6a52..810dca681f 100644
--- a/src/Worker/Cron.php
+++ b/src/Worker/Cron.php
@@ -4,6 +4,7 @@ namespace Friendica\Worker;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use dba;
 
 Class Cron {
 	public static function execute($parameter = '', $generation = 0) {
diff --git a/src/Worker/RemoveContact.php b/src/Worker/RemoveContact.php
index 2047de5261..811b0295fb 100644
--- a/src/Worker/RemoveContact.php
+++ b/src/Worker/RemoveContact.php
@@ -6,6 +6,7 @@
 namespace Friendica\Worker;
 
 use Friendica\Core\Config;
+use dba;
 
 class RemoveContact {
 	public static function execute($id) {