diff --git a/README.txt b/README.txt
index f868835..687b4f5 100644
--- a/README.txt
+++ b/README.txt
@@ -1,6 +1,6 @@
 Minetest mod "Pyramids"
 =======================
-version: 0.4.1 Beta
+version: 0.4.2 Beta
 
 License of source code and textures: WTFPL
 ------------------------------------------
diff --git a/init.lua b/init.lua
index 5a8d89c..defce93 100644
--- a/init.lua
+++ b/init.lua
@@ -134,7 +134,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	if noise1 > 0.25 or noise1 < -0.26 then
 	 local mpos = {x=math.random(minp.x,maxp.x), y=math.random(minp.y,maxp.y), z=math.random(minp.z,maxp.z)}
 
-		p2 = minetest.find_node_near(mpos, 25, {"default:desert_sand"})	
+		local p2 = minetest.find_node_near(mpos, 25, {"default:desert_sand"})   
 		while p2 == nil and cnt < 5 do
 			cnt = cnt+1
 			mpos = {x=math.random(minp.x,maxp.x), y=math.random(minp.y,maxp.y), z=math.random(minp.z,maxp.z)}
diff --git a/mummy.lua b/mummy.lua
index 0c4d611..c1188e5 100644
--- a/mummy.lua
+++ b/mummy.lua
@@ -47,23 +47,23 @@ local ANIM_WALK_MINE = 5
 local ANIM_MINE = 6
 
 function hit(self)
-	prop = {
+       local prop = {
 		mesh = mummy_mesh,
 		textures = {"pyramids_mummy.png^pyramids_hit.png"},
 	}
 	self.object:set_properties(prop)
 	minetest.after(0.4, function()
-		prop = {textures = mummy_texture,}
+               local prop = {textures = mummy_texture,}
 		self.object:set_properties(prop)
 	end)
 end
 
 function mummy_update_visuals_def(self)
 	--local name = get_player_name()
-	visual = default_model_def
+	--visual = default_model_def
 	npc_anim = 0 -- Animation will be set further below immediately
 	--npc_sneak[name] = false
-	prop = {
+	local prop = {
 		mesh = mummy_mesh,
 		textures = mummy_texture,
 		--visual_size = {x=1, y=1, z=1},
@@ -257,8 +257,8 @@ MUMMY_DEF.on_step = function(self, dtime)
 		for  _,object in ipairs(minetest.env:get_objects_inside_radius(self.object:getpos(), 4)) do
 			if object:is_player() then
 				self.yawwer = false
-				NPC = self.object:getpos()
-				PLAYER = object:getpos()
+				local NPC = self.object:getpos()
+				local PLAYER = object:getpos()
 				self.vec = {x=PLAYER.x-NPC.x, y=PLAYER.y-NPC.y, z=PLAYER.z-NPC.z}
 				self.yaw = math.atan(self.vec.z/self.vec.x)+math.pi^2
 				if PLAYER.x > NPC.x then