diff --git a/mapgen_v7n.lua b/mapgen_v7n.lua
index fda3bc371b2fe2874a0e367e6f3cbdcbe532c9a7..eb05b05c808bc610eb797a1c4ad24d548af61a34 100644
--- a/mapgen_v7n.lua
+++ b/mapgen_v7n.lua
@@ -376,7 +376,7 @@ minetest.register_decoration({
 	deco_type = "schematic",
 	place_on = "ethereal:mushroom_dirt",
 	sidelen = 80,
-	fill_ratio = 0.07,
+	fill_ratio = 0.03,
 	biomes = {"mushroom"},
 	schematic = path.."mushroomone.mts",
 	flags = "place_center_x, place_center_z",
@@ -510,7 +510,7 @@ minetest.register_decoration({
 	deco_type = "simple",
 	place_on = "ethereal:bamboo_dirt",
 	sidelen = 80,
-	fill_ratio = 0.055,
+	fill_ratio = 0.05,
 	biomes = {"bamboo"},
 	decoration = "ethereal:bamboo",
 	height_max = 5,