snapshot reverse

    Sep 26 2011 | 8:22 am
    one of these days.
    I post the patcher in question but i think it is too complicated to post it (it's the inside of a poly~).
    So i have this groove~ object (inside a poly) and I take a snapshot at the right outlet.
    In normal mode everything works fine and snapshot counts from 0. to 1. but if I go in reverse mode, snapshot jumps directly to a 1. or 0. or -0. in place of counting down.
    Does anybody have experience with that? What could be the problem?
    Every little hint if welcome.