Sprite disappear when the camera moves

Unity Engine
1

Hello everyone,

I encounter the following problem when I move my camera I have the right sprite disappears.

screenshot :

Good : http://puu.sh/p1fgK/f755a5d01e.jpg

Not Good : http://puu.sh/p1fiu/1d3a2ecace.jpg

2

It’s difficult to see a difference between the two images, maybe its a z-fighting issue ?