diff --git a/mods/default/functions.lua b/mods/default/functions.lua
index 4188a2f..907654a 100644
--- a/mods/default/functions.lua
+++ b/mods/default/functions.lua
@@ -1,3 +1,5 @@
+default.LIGHT_MAX = 14
+
 function default.drop_items(pos, oldnode, oldmetadata, digger)
 	local meta = minetest.get_meta(pos)
 	meta:from_table(oldmetadata)
@@ -78,3 +80,12 @@ function default.sounds.dirt(t)
 			{name = "default_dirt_1", gain = 0.1}
 	return t
 end
+
+default.node_sound_stone_defaults = default.sounds.stone
+default.node_sound_dirt_defaults = default.sounds.dirt
+default.node_sound_wood_defaults = default.sounds.wood
+
+default.node_sound_sand_defaults = default.sounds.dirt
+default.node_sound_gravel_defaults = default.sounds.dirt
+default.node_sound_leaves_defaults = default.sounds.dirt
+default.node_sound_glass_defaults = default.sounds.dirt
diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index 769a617..d8242de 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -751,7 +751,7 @@ minetest.register_node("default:stone_with_coal", {
 	description = "Stone with Coal",
 	tiles = {"default_stone_with_coal.png"},
 	groups = {cracky = 2},
-	drops = "default:coal_lump",
+	drop = "default:coal_lump",
 	sounds = default.sounds.stone(),
 })
 
@@ -864,3 +864,7 @@ default.register_fence("default:fence_jungle_wood", {
 default.register_fence("default:fence_quartz", {
 	material = "default:quartz",
 })
+
+-- alias
+minetest.register_alias("default:dirt_with_grass", "default:grass")
+minetest.register_alias("default:dirt_with_dry_grass", "default:dry_grass")