P2JS Anchor change on the sprite but no on the body

[Gabicci]

Hi, 

I want to make a pinball game with phaser and p2 js physics.

I have a probleme with flips.

To make the rotation movement, i must to change anchor to 0,0 with : this.flipGauche.anchor.set(0);

but with this the sprite the anchor'sprite change but no the body

 https://postimg.org/image/76jmynhx5/