diff --git a/node_defs.lua b/node_defs.lua
index 1f14f4e..2625b7e 100644
--- a/node_defs.lua
+++ b/node_defs.lua
@@ -105,7 +105,7 @@ for i in ipairs(moretrees.treelist) do
 			drawtype = "allfaces_optional",
 			tiles = { "moretrees_"..treename.."_leaves.png" },
 			paramtype = "light",
-			groups = {tree=1, snappy=3, flammable=2},
+			groups = {snappy=3, flammable=2, leaves=1, moretrees_leaves=1},
 			sounds = default.node_sound_leaves_defaults(),
 
 			drop = {
@@ -133,7 +133,7 @@ for color = 1, 3 do
 		drawtype = "allfaces_optional",
 		tiles = {"moretrees_jungletree_leaves_"..jungleleaves[color]..".png"},
 		paramtype = "light",
-		groups = {snappy=3, flammable=2},
+		groups = {snappy=3, flammable=2, leaves=1, moretrees_leaves=1},
 		drop = {
 			max_items = 1,
 			items = {
@@ -153,7 +153,7 @@ minetest.register_node("moretrees:fir_leaves_bright", {
 	tile_images = { "moretrees_fir_leaves_bright.png" },
 	paramtype = "light",
 
-	groups = {snappy=3, flammable=2 },
+	groups = {snappy=3, flammable=2, leaves=1, moretrees_leaves=1 },
 	drop = {
 		max_items = 1,
 		items = {
diff --git a/settings.lua b/settings.lua
index b81e5df..85a3a5d 100644
--- a/settings.lua
+++ b/settings.lua
@@ -16,7 +16,7 @@ moretrees.enable_leafdecay = true
 -- you enable this, otherwise you'll have two sets of leaf decay code running
 -- at the same time, which will just waste CPU for no benefit.
 
-moretrees.enable_default_leafdecay = false
+moretrees.enable_default_leafdecay = true
 
 -- Enable this if you want moretrees to redefine default apples so that they
 -- fall when leaves decay/are dug.