Premium failstack toggle doesn't work

Hey guys, I am struggling to figure out what is wrong with premium enhancement.
Maybe I am missing something here...
I want to turn off the higher percentage for each failstack the premium membership gives me, because I want to build some failstacks.
It doesn't really make sense to have each failstack be better at this point, does it?
The switch on the GamezDB icon when pressing ESC is not working as intended. At least it doesn't show different numbers when on the enhancement screen.
Is this a bug or is it not possible to turn this off?

Thanks in advance

 

I think you should make a bug report about this instead, include a video of what is happening to make it clear, and post this in the Bug Section. That way the developers will have a look at it, and solve it if it is a bug.