@Chosker, Didn’t work. If it’s a bug, which it most certainly is, I guess I have to leave it here. 
[MENTION=42883]Blackhole Bilbao[/MENTION], Try a higher multiplier so we can actually see what it’s looking like. Also try plugging a 0.18 to BaseColor, it helps seeing the actual geometry better. Like this:
Edit: It only stops flickering when I have the landscape selected.