Question Trail material flipping vertically

I am having an issue where the material for a trail renderer flips vertically when I go to the left, but it doesn't do that if I go to the right. Is there any way to fix this?

here are some screenshots:

To the right:


To the left(it is flipped here):


Trail Renderer component:


Material:


If there is anything else that I need to show just let me know.

 

Did you ever figure this out? Having the same issue here, and haven't found a solution yet