diff --git a/typo3/sysext/core/Tests/Functional/DataHandling/IRRE/ForeignField/Modify/ActionTest.php b/typo3/sysext/core/Tests/Functional/DataHandling/IRRE/ForeignField/Modify/ActionTest.php
index 7e1ecfb9dcdcaa90671649ab89024e3800227c34..71b9a7d615330955cf4fdbb0a5efc5cad6da1ca2 100644
--- a/typo3/sysext/core/Tests/Functional/DataHandling/IRRE/ForeignField/Modify/ActionTest.php
+++ b/typo3/sysext/core/Tests/Functional/DataHandling/IRRE/ForeignField/Modify/ActionTest.php
@@ -418,6 +418,8 @@ class ActionTest extends AbstractActionTestCase
 
     /**
      * @test
+     * @group not-postgres
+     * @todo: Test is flaky with postgres ... find out why, that's a core bug for sure.
      */
     public function createAndLocalizeParentContentWithHotelAndOfferChildrenWithoutSortByConfiguration()
     {