diff --git a/src/Elasticsearch/Endpoints/Cat/ThreadPool.php b/src/Elasticsearch/Endpoints/Cat/ThreadPool.php
index a67678a51..64e7b5146 100644
--- a/src/Elasticsearch/Endpoints/Cat/ThreadPool.php
+++ b/src/Elasticsearch/Endpoints/Cat/ThreadPool.php
@@ -38,7 +38,8 @@ public function getParamWhitelist()
             'help',
             'v',
             'full_id',
-            'size'
+            'size',
+            'thread_pool_patterns'
         );
     }