diff --git a/mods/bg_tree/decompose.lua b/mods/bg_tree/decompose.lua
index 99d4387..28cad01 100644
--- a/mods/bg_tree/decompose.lua
+++ b/mods/bg_tree/decompose.lua
@@ -14,13 +14,13 @@ blockgame.register_increasing_abm({
 	label = "decompose leaves",
 	nodenames = {leaves},
 	neighbors = {"group:dirty", leaves_decomposing},
-	interval = 15,
+	interval = 20,
 	chance = 4,
 	rate = function (pos, node, data)
 		return data.value + math.random(4, 6)
 	end,
 	check = function (pos, node, data)
-		return data.value >= 20
+		return data.value >= 80
 	end,
 	action = function (pos, node, data)
 		minetest.set_node(pos, {name = leaves_decomposing})