diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index d07b1f8a..1c6ef7f9 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -3638,7 +3638,7 @@ class SFTP extends SSH2
     {
         $this->use_request_id = false;
         $this->pwd = false;
-        $this->requestBuffer = [];
+        $this->requestBuffer = array();
         $this->partial_init = false;
     }