diff --git a/init.lua b/init.lua
index 0b17241..aaa4012 100644
--- a/init.lua
+++ b/init.lua
@@ -186,7 +186,7 @@ local function register_air_tank_2(name, desc, color, uses)
 		_doc_items_longdesc = S("A pair of tanks containing compressed air."),
 		_doc_items_usagehelp = S("If you're underwater and you're running out of breath, wield this item and use it to replenish 5 bubbles on your breath bar. When fully charged these tanks have @1 uses before it becomes empty.", uses),
 		_airtank_uses = uses,
-		_airtank_empty = "airtanks:empty_"..name.."_tank",
+		_airtank_empty = "airtanks:empty_"..name.."_tank_2",
 		groups = {not_repaired_by_anvil = 1, airtank = 1},
 		inventory_image = "airtanks_airtank_two.png^[colorize:"..color.."^[mask:airtanks_airtank_two.png",
 		wield_image = "airtanks_airtank_two.png^[colorize:"..color.."^[mask:airtanks_airtank_two.png",
@@ -243,7 +243,7 @@ local function register_air_tank_3(name, desc, color, uses)
 		_doc_items_longdesc = S("A set of three tanks containing compressed air."),
 		_doc_items_usagehelp = S("If you're underwater and you're running out of breath, wield this item and use it to replenish 5 bubbles on your breath bar. When fully charged these tanks have @1 uses before it becomes empty.", uses),
 		_airtank_uses = uses,
-		_airtank_empty = "airtanks:empty_"..name.."_tank",
+		_airtank_empty = "airtanks:empty_"..name.."_tank_3",
 		groups = {not_repaired_by_anvil = 1, airtank = 1},
 		inventory_image = "airtanks_airtank_three.png^[colorize:"..color.."^[mask:airtanks_airtank_three.png",
 		wield_image = "airtanks_airtank_three.png^[colorize:"..color.."^[mask:airtanks_airtank_three.png",