diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index 06dd3a2d..ff14ab44 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -372,7 +372,7 @@ class SFTP extends SSH2
         );
 
         if (!defined('NET_SFTP_QUEUE_SIZE')) {
-            define('NET_SFTP_QUEUE_SIZE', 50);
+            define('NET_SFTP_QUEUE_SIZE', 32);
         }
     }