Creature with undying didn't forget -1/-1 after dying and returning from graveyard

[LevelX2]

Version 0.9.0 Human vs. Human
Turn 4 - Player A casting a Strangleroot Geist (2/1, Haste, Undying)
Turn 5 - Player B casting Cower in Fear (Opponent Creatures get -1/-1 until end of turn)
Strangleroot Geist dies and returns with a +1/+1 counter. But P/T will only be shown with 2/1.
So it seems like the -1/-1 of the Cower in Fear will be used for the returned Strangleroot geist.
Turn 6 - Strangleroot Geist now has P/T 3/2

But this is wrong imho.
Rule:
An object returned to the battlefield with the undying ability is a new object with no memory of its previous existence. It has "summoning sickness".
7/1/2012: Cower in Fear affects only creatures your opponents control at the time it resolves. It won't affect creatures that come under their control later in the turn.

[magenoxx]

reproduced in test.

fixed.