diff --git a/includes/Elasticsearch/ESInstance.php b/includes/Elasticsearch/ESInstance.php
index 339db16c..595edf2b 100644
--- a/includes/Elasticsearch/ESInstance.php
+++ b/includes/Elasticsearch/ESInstance.php
@@ -261,6 +261,7 @@ public function setIndexParams($index_name, $shards = 5, $replicas = 0,
       'number_of_shards' => $shards,
       'number_of_replicas' => $replicas,
       'analysis' => $analysis,
+      'max_result_window' => 1000000
     ];
 
     $properties = [];