diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index 986a6b7e..9dc1d76f 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -2916,6 +2916,7 @@ class SFTP extends SSH2
         $this->use_request_id = false;
         $this->pwd = false;
         $this->requestBuffer = [];
+        $this->partial_init = false;
     }
 
     /**