Using the JomSocial plugin, I found a bug. Using the "vote" feautre (doesn not depend if "like" or "deslike"

Here the vote i made:
[img]http://img714.imageshack.us/i/votedforlike.jpg/[/img]
...and here the result on the activity stream:
[img]http://img40.imageshack.us/i/votenotdisplayinganytex.jpg//[/img]
Could you please confirm and provide a solution?
Thanks in advance!
Using:
Joomla 1.5.23
JomSocial: 2.2.1