diff --git a/0gb.us_game/mods/chatcommands_0gb_us/init.lua b/0gb.us_game/mods/chatcommands_0gb_us/init.lua
index ca8ef48..2b85d18 100644
--- a/0gb.us_game/mods/chatcommands_0gb_us/init.lua
+++ b/0gb.us_game/mods/chatcommands_0gb_us/init.lua
@@ -111,15 +111,15 @@ minetest.register_chatcommand("teleport", {
 	end,
 })
 
-minetest.chatcommands["give"] = nil
-minetest.chatcommands["giveme"] = nil
-minetest.chatcommands["spawnentity"] = nil
+minetest.chatcommands.give = nil
+minetest.chatcommands.giveme = nil
+minetest.chatcommands.spawnentity = nil
 
 if not minetest.get_modpath("logpulverize_0gb_us") then
-	minetest.chatcommands["pulverize"] = nil
+	minetest.chatcommands.pulverize = nil
 end
 
-minetest.chatcommands["rollback"] = nil
+minetest.chatcommands.rollback = nil
 
 minetest.register_chatcommand("clearobjects", {
 	params = "",
diff --git a/0gb.us_game/mods/landclaim_0gb_us/support/screwdriver.lua b/0gb.us_game/mods/landclaim_0gb_us/support/screwdriver.lua
index 94a9431..b06430b 100644
--- a/0gb.us_game/mods/landclaim_0gb_us/support/screwdriver.lua
+++ b/0gb.us_game/mods/landclaim_0gb_us/support/screwdriver.lua
@@ -3,21 +3,20 @@ if minetest.get_modpath("screwdriver") then
 		local tool = minetest.registered_items["screwdriver:screwdriver"..i]
 		local on_use = tool.on_use
 		function tool.on_use(itemstack, user, pointed_thing)
-			local node=minetest.env:get_node(pos)
 			if itemstack:to_table().metadata == ""
 			or user:get_player_control().sneak
 			or pointed_thing.type ~= "node" then
 				screwdriver_handler(itemstack,user,pointed_thing)
 				return itemstack
 			end
-			local node = minetest.env:get_node(pointed_thing.below)
+			local node = minetest.env:get_node(pointed_thing.under)
 			local name = user:get_player_name()
 			if minetest.registered_nodes[node.name].paramtype2 ~= "facedir"
-			or landclaim_0gb_us.can_interact(name,pos) then
+			or landclaim_0gb_us.can_interact(name,pointed_thing.under) then
 				screwdriver_handler(itemstack,user,pointed_thing)
 				return itemstack
 			else
-				local owner = landclaim_0gb_us.get_owner(pointed_thing.below)
+				local owner = landclaim_0gb_us.get_owner(pointed_thing.under)
 				minetest.chat_send_player(name, "Area owned by "..owner)
 				return itemstack
 			end