diff --git a/machines/iron_furnace.lua b/machines/iron_furnace.lua
index 40256a7..7eeafe2 100644
--- a/machines/iron_furnace.lua
+++ b/machines/iron_furnace.lua
@@ -43,6 +43,7 @@ industrialtest.internal.unpackTableInto(industrialtest.IronFurnace,{
 	facedir=true,
 	storageSlots={
 		"src",
+		"fuel",
 		"dst"
 	}
 })