diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 9b4afbd2..ede87433 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -898,7 +898,7 @@ class SSH2
      * @see self::isTimeout()
      * @var bool
      */
-    private $is_timeout = false;
+    protected $is_timeout = false;
 
     /**
      * Log Boundary