Please take a look at this post, had the same problem:
http://www.mt-daapd.org/index.php?option=com_simpleboard&Itemid=40&func=view&id=2466&catid=8
Also take a look at the nightlies page:
http://nightlies.mt-daapd.org/
Which mentions that the metachar bug has been fixed in the 20051122 version 🙂