order desc problem

[M & B Neretlis]

the order comes out of sequence showing 10.11.12.13 etc before the number 2---
Can anyone help me out


<?php
 //get user tips
 $query = @mysql_query("SELECT * FROM tips WHERE user_id = $user_id AND comp_id 
= $comp_id ORDER by round DESC");
 while ($result = @mysql_fetch_array($query)) {
 ?>