diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index 332dade6..0701a06d 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -3640,6 +3640,7 @@ class SFTP extends SSH2
         $this->use_request_id = false;
         $this->pwd = false;
         $this->requestBuffer = array();
+        $this->partial_init = false;
     }
 
     /**