From 207d86733e823e32c654ca44f8a10ee4238ff544 Mon Sep 17 00:00:00 2001
From: Wuzzy <almikes@aol.com>
Date: Thu, 23 Feb 2017 15:08:52 +0100
Subject: [PATCH] Fix accidental globals in mcl_walls

---
 mods/ITEMS/mcl_walls/init.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mods/ITEMS/mcl_walls/init.lua b/mods/ITEMS/mcl_walls/init.lua
index 0793aa21..33093f8f 100644
--- a/mods/ITEMS/mcl_walls/init.lua
+++ b/mods/ITEMS/mcl_walls/init.lua
@@ -98,10 +98,10 @@ function mcl_walls.register_wall(nodename, description, craft_material, tiles, i
 	end
 	base_groups.wall = 1
 
-	internal_groups = table.copy(base_groups)
+	local internal_groups = table.copy(base_groups)
 	internal_groups.not_in_creative_inventory = 1
 
-	main_node_groups = table.copy(base_groups)
+	local main_node_groups = table.copy(base_groups)
 	main_node_groups.deco_block = 1
 
 	-- TODO: Stop hardcoding blast resistance