[Gameplay] Poro ward skin bug.

while I was playing custom game my self, I found out something really unusual. I only have one ward skin(gentleman Poro ward skin), but if I use the great vision totem, my ward skin was changed into astronaut Poro ward skin. I don't know whether it is a bug or just normal thing (actually I like it), but I was just wondering why the skin changes. You can see that on the picture that I am playing with all bots and there are two different Poro wards.