Weird direction in 2D Mode

[hergen]

Hello,

I am trying to build a game in unity using your softbody asset in 2D Mode.

I want a circular softbody, so I created a mesh for that and created a blueprint (settings in screenshots).
However, when I set everything up and start the game, the softbody circle turns inside out and acts normally afterwards.

How can I fix this?

Thank you in advance.

settings:


the effect: