diff --git a/elasticsearch/client/indices.py b/elasticsearch/client/indices.py
index dc3b3603a..4457b4e7d 100644
--- a/elasticsearch/client/indices.py
+++ b/elasticsearch/client/indices.py
@@ -80,7 +80,8 @@ def flush(self, index=None, params=None):
 
     @query_params(
         "master_timeout",
-        "timeout" "request_timeout",
+        "timeout",
+        "request_timeout",
         "wait_for_active_shards",
         "include_type_name",
     )