Just download this patch and you're done:
<a href='http://www.thief-thecircle.com/download.asp?fid=727' target='_blank'>http://www.thief-thecircle.com/download.asp?fid=727</a>
<a href='http://www.thief-thecircle.com/media/patches' target='_blank'>http://www.thief-thecircle.com/media/patches</a>