Zbrush - Mask by alpha Masking tool

Xanokei

So I have the issue with my alphas being squished on the Zbrush Model.
my current UVs is 2048 and my Alpha Mask is 2048; I sized my Alpha mask to the size of the UV of where I wanted it. but it became like this:

was wondering if anyone had this issue and a fix for it

CheeseOnToast

Try hitting the smooth UV button in the geometry tab, followed by the re-UV button. If that fails, turn smooth uv off, then re-uv.

Xanokei

Thanks solved