diff --git a/mods/bg_api/leveled_node.lua b/mods/bg_api/leveled_node.lua
index c8f092d..4d1c294 100644
--- a/mods/bg_api/leveled_node.lua
+++ b/mods/bg_api/leveled_node.lua
@@ -79,4 +79,5 @@ function blockgame.register_leveled_node (name, def)
 	end
 
 	minetest.register_alias(fullname, fullname .. "_" .. def.level_max)
+	minetest.register_alias(fullname .. "_" .. 0, "air")
 end