diff -u b/core/lib/Drupal/Core/Entity/ContentEntityDatabaseStorage.php b/core/lib/Drupal/Core/Entity/ContentEntityDatabaseStorage.php
--- b/core/lib/Drupal/Core/Entity/ContentEntityDatabaseStorage.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityDatabaseStorage.php
@@ -371,7 +371,6 @@
     if ($id_definition->getType() == 'integer') {
       $ids = array_filter($ids, 'is_numeric');
       $ids = array_map('intval', $ids);
-      break;
     }
     return $ids;
   }