diff --git a/abms.lua b/abms.lua
index e18a0e0..9f33ccf 100644
--- a/abms.lua
+++ b/abms.lua
@@ -412,7 +412,7 @@ minetest.register_abm({
 		end
 
 		-- Check for soil.
-		node_under = minetest.get_node_or_nil({x = pos.x, y = pos.y - 2, z = pos.z})
+		local node_under = minetest.get_node_or_nil({x = pos.x, y = pos.y - 2, z = pos.z})
 		if not node_under
 				or minetest.get_item_group(node_under.name, "soil") == 0
 				or (minetest.get_node_light(pos_up, nil) or 99) > fun_caves.light_max then
diff --git a/armor.lua b/armor.lua
index a619853..c447618 100644
--- a/armor.lua
+++ b/armor.lua
@@ -5,7 +5,7 @@ local function armor(user, factor)
 	user:set_armor_groups({fleshy=factor})
 	--print(dump(user:get_armor_groups()))
 	minetest.chat_send_player(player_name, 'Your skin feels harder...')
-	fun_caves.armor_expire[player_name] = minetest.get_us_time() + 3600 * 1000000
+	fun_caves.armor_expire[player_name] = minetest.get_us_time() + (3600 * 1000000)
 end
 
 local descs = {
diff --git a/chat.lua b/chat.lua
index 675fab3..a2112ff 100644
--- a/chat.lua
+++ b/chat.lua
@@ -10,8 +10,9 @@ minetest.register_chatcommand("armor", {
 			for group, value in pairs(armor) do
 				minetest.chat_send_player(name, "  "..group.." "..value)
 			end
+			--print(math.floor(minetest.get_us_time() / (60 * 1000000)))
 			if fun_caves.armor_expire and fun_caves.armor_expire[name] then
-				local min = math.floor((fun_caves.armor_expire[name] - minetest.get_us_time()) / 60000000)
+				local min = math.floor((fun_caves.armor_expire[name] - minetest.get_us_time()) / (60 * 1000000))
 				minetest.chat_send_player(name, "Your elixir will expire in "..min..' minutes.')
 			end
 		end