lib/elasticsearch/api/actions/bulk.rb in elasticsearch-api-6.0.1 vs lib/elasticsearch/api/actions/bulk.rb in elasticsearch-api-6.0.2

@@ -90,10 +90,10 @@
           payload = Utils.__bulkify(body)
         else
           payload = body
         end
 
-        perform_request(method, path, params, payload).body
+        perform_request(method, path, params, payload, {"Content-Type" => "application/x-ndjson"}).body
       end
     end
   end
 end