diff --git a/machines/magnetizer.lua b/machines/magnetizer.lua
index a338054..e8bfee6 100644
--- a/machines/magnetizer.lua
+++ b/machines/magnetizer.lua
@@ -29,7 +29,8 @@ end
 local function hasMetalBoots(player)
 	local inv
 	if industrialtest.mtgAvailable then
-		_,inv=armor:get_valid_player(player,"")
+		local _unused
+		_unused,inv=armor:get_valid_player(player,"")
 	elseif industrialtest.mclAvailable then
 		inv=player:get_inventory()
 	end