diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index 116e7e49..a0b36323 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -2036,7 +2036,7 @@ class Net_SFTP extends Net_SSH2
 
         if (isset($fp)) {
             $stat = fstat($fp);
-            $size = $stat['size'];
+            $size = !empty($stat) ? $stat['size'] : 0;
 
             if ($local_start >= 0) {
                 fseek($fp, $local_start);