diff --git a/mods/bg_tree/node_leaves.lua b/mods/bg_tree/node_leaves.lua
index f39e512..e5e81f1 100644
--- a/mods/bg_tree/node_leaves.lua
+++ b/mods/bg_tree/node_leaves.lua
@@ -68,6 +68,8 @@ local decomposing_leaves_layers = 4
 
 local after_place_stack = function (pos)
 	local node = minetest.get_node(pos)
+	if not blockgame.starts_with(node.name, modname .. ":leaves_decomposing") then return end
+
 	local below = pos + blockgame.vector.dirs.down
 	local below_node = minetest.get_node(below)
 	if not blockgame.starts_with(below_node.name, modname .. ":leaves_decomposing") then return end