diff --git a/library/Icinga/Data/Db/DbQuery.php b/library/Icinga/Data/Db/DbQuery.php
index 30816a749..ff1d131fb 100644
--- a/library/Icinga/Data/Db/DbQuery.php
+++ b/library/Icinga/Data/Db/DbQuery.php
@@ -8,6 +8,7 @@ use DateTime;
 use DateTimeZone;
 use Exception;
 use Icinga\Data\Filter\Filter;
+use Zend_Db_Adapter_Abstract;
 use Zend_Db_Expr;
 use Zend_Db_Select;
 use Icinga\Application\Logger;