Button movement in Party Sit and Gos

[aces961]

Has anyone ever had the button literally move backward on party, meaning seat 5 was the button on hand 1, seat 6 was previously eliminated so it moved to seat 7 for the next hand. Seat 7 was eliminated on that hand and the button moved back to seat 5. There were 6+ players in all of these hands. I've contacted party support about this and will post their response when I get it.