Changing heightmap and Biomemap Scale causes blocky terrain when both above 2.0

[T3mp0st]

When experimenting with the scaleability of the heightmap and biome, anything above a 2.0 produces blocky terrain relative to the scale, so a 3.0 produces each pixle as a 3 by 3 pillar with no smoothing whatsoever

Config- https://pastebin.com/FBYGVKgv

Image example - https://imgur.com/a/cjokkyI