Thanks for taking the time to recreate the issue. Now that you’ve confirmed that this is not a bug, I have a feeling that I might be able to negate the effect in the material. If not, clever lighting it is. 
Thanks for taking the time to recreate the issue. Now that you’ve confirmed that this is not a bug, I have a feeling that I might be able to negate the effect in the material. If not, clever lighting it is.