diff --git a/mods/builtin_falling/func.lua b/mods/builtin_falling/func.lua
index 5d2a714e..32b0b80e 100755
--- a/mods/builtin_falling/func.lua
+++ b/mods/builtin_falling/func.lua
@@ -169,7 +169,7 @@ function add_protected_bukket_liquid(nameofbukket,liquidsourcename)
 				return
 			end
 			-- Check if pointing to a buildable node
-			n = minetest.get_node(pointed_thing.under)
+			local n = minetest.get_node(pointed_thing.under)
 			
 			if is_protected_area(pointed_thing.under, 7 ,user:get_player_name()) then
 				minetest.chat_send_player(user:get_player_name(),"You cant place here - Too short of a protected area.")
diff --git a/mods/sea/clams/init.lua b/mods/sea/clams/init.lua
index d9e6a13d..c6f88f75 100755
--- a/mods/sea/clams/init.lua
+++ b/mods/sea/clams/init.lua
@@ -127,7 +127,7 @@ minetest.register_entity("clams:whiteshell", {
 				self.phase = 0
 			end
 			self.object:setsprite({x=0, y=self.phase})
-			phasearmor = {
+			local phasearmor = {
 				[0]={fleshy=0},
 				[1]={fleshy=30},
 				[2]={fleshy=70}
diff --git a/mods/snow/src/mapgen_v6.lua b/mods/snow/src/mapgen_v6.lua
index 414fddc2..9f9453ed 100755
--- a/mods/snow/src/mapgen_v6.lua
+++ b/mods/snow/src/mapgen_v6.lua
@@ -106,7 +106,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	local plain = biome == 2 -- spawns not much
 	local alpine = biome == 3 -- rocky terrain
 	-- Water biomes
-	biome2 = pr:next(1, 5)
+	local biome2 = pr:next(1, 5)
 	local cool = biome == 1  -- only spawns ice on edge of water
 	local icebergs = biome == 2
 	local icesheet = biome == 3