Can you fix the furnace

Hello I love love love this games my first time playing it and I found iron and copper and when I made the furnace and place it down then when I try to smelt it or something I dont know what it looks like cause when I touch the furnace to smelt it alway take me to the crafting table section and not the furnace one the sewing one work but not the furnace can you please fix it thanks

Erick20155678 about Junk Jack Retro