diff --git a/trunks/generating.lua b/trunks/generating.lua
index 6b5b897..7796213 100644
--- a/trunks/generating.lua
+++ b/trunks/generating.lua
@@ -1,8 +1,8 @@
 -- Code by Mossmanikin, Neuromancer, and others
 
 local function clone_node(name)
-	node2={}
-	node=minetest.registered_nodes[name]
+	local node2 = {}
+	local node = minetest.registered_nodes[name]
 	for k,v in pairs(node) do
 		node2[k]=v
 	end