carnal genesis working properly?

im using the carnal genesis trait wich has a 30% chance to move one of my creatures to the top of the action que when it is healed, but it seems like they only get moved to the second position instead.

if an enemy occupies the first slot, they do not get bumped out, if one of my critters are in the top spot, they do not get bumped out.

ive spent several hours observing this behaviior and thought i shuld inquire, as it looks like a bug.

can anyone else confirm?