diff --git a/lib/public/AppFramework/Db/QBMapper.php b/lib/public/AppFramework/Db/QBMapper.php
index 57f4cba2ff51a..2809763a088a8 100644
--- a/lib/public/AppFramework/Db/QBMapper.php
+++ b/lib/public/AppFramework/Db/QBMapper.php
@@ -318,6 +318,7 @@ private function buildDebugMessage(string $msg, IQueryBuilder $sql): string {
 	 * @since 14.0.0
 	 */
 	protected function mapRowToEntity(array $row): Entity {
+		unset($row['DOCTRINE_ROWNUM']); // remove doctrine/dbal helper column
 		return \call_user_func($this->entityClass .'::fromRow', $row);
 	}