diff --git a/modules/terrain/terrain_modifier_noise.cpp b/modules/terrain/terrain_modifier_noise.cpp
index 35474bd3..355f9d2b 100644
--- a/modules/terrain/terrain_modifier_noise.cpp
+++ b/modules/terrain/terrain_modifier_noise.cpp
@@ -24,7 +24,7 @@ float TerrainModifierNoise::evaluate_at(Vector2 world_coordinates, float before)
 	if (this->noise.is_null()) {
 		return before;
 	}
-	return this->noise_amplitude * (this->noise_buffer->get_noise_2d(world_coordinates.x, world_coordinates.y) * 0.5f + 0.5f) + before;
+	return 0.5f * this->noise_amplitude * (this->noise_buffer->get_noise_2d(world_coordinates.x, world_coordinates.y) + 1.f) + before;
 }
 
 void TerrainModifierNoise::set_noise(Ref<Noise> noise) {