diff --git a/src/Elasticsearch/Endpoints/DeleteByQuery.php b/src/Elasticsearch/Endpoints/DeleteByQuery.php
index 182658951..b5c0cf99e 100644
--- a/src/Elasticsearch/Endpoints/DeleteByQuery.php
+++ b/src/Elasticsearch/Endpoints/DeleteByQuery.php
@@ -73,6 +73,7 @@ public function getParamWhitelist()
             'lenient',
             'preference',
             'query',
+            'q',
             'refresh',
             'request_cache',
             'requests_per_second',