diff --git a/minerdream/smelter.lua b/minerdream/smelter.lua
index 1aee95d..da59125 100644
--- a/minerdream/smelter.lua
+++ b/minerdream/smelter.lua
@@ -68,6 +68,7 @@ local function can_dig(pos, player)
 end
 
 local function allow_metadata_inventory_put(pos, listname, index, stack, player)
+	print(dump2(stack))
 	if minetest.is_protected(pos, player:get_player_name()) then
 		return 0
 	end