Doesn't work on new topics

Hi and thanks for the great plugin.
I have a problem when new topics created the icon doesn’t change.
I tested with new topic creation from Key master, Moderator, Participant.

WP 3.5.1 / BP 1.6.4 / BBP 2.2.4

Thanks again

http://wordpress.org/extend/plugins/bbpress-unread-posts/