diff --git a/phpseclib/Net/SFTP/Stream.php b/phpseclib/Net/SFTP/Stream.php
index 842ebab54..fb976fd0c 100644
--- a/phpseclib/Net/SFTP/Stream.php
+++ b/phpseclib/Net/SFTP/Stream.php
@@ -428,7 +428,7 @@ function _stream_seek($offset, $whence)
     {
         switch ($whence) {
             case SEEK_SET:
-                if ($offset >= $this->size || $offset < 0) {
+                if ($offset < 0) {
                     return false;
                 }
                 break;