diff --git a/typo3/sysext/backend/Classes/Form/FormDataProvider/AbstractItemProvider.php b/typo3/sysext/backend/Classes/Form/FormDataProvider/AbstractItemProvider.php
index b2fedd14e0c4ae57b623a50eb4bfe0f13994a26c..44d41b15171d05fe42992d7c249bddadea873c0b 100644
--- a/typo3/sysext/backend/Classes/Form/FormDataProvider/AbstractItemProvider.php
+++ b/typo3/sysext/backend/Classes/Form/FormDataProvider/AbstractItemProvider.php
@@ -1008,7 +1008,7 @@ abstract class AbstractItemProvider
             $orderByClauses = QueryHelper::parseOrderBy($GLOBALS['TCA'][$foreignTableName]['ctrl']['default_sortby']);
             foreach ($orderByClauses as $orderByClause) {
                 if (!empty($orderByClause[0])) {
-                    $queryBuilder->addOrderBy($orderByClause[0], $orderByClause[1]);
+                    $queryBuilder->addOrderBy($foreignTableName . '.' . $orderByClause[0], $orderByClause[1]);
                 }
             }
         }