Savanna village blacksmith buildings burn themselves down

With savanna villages now spawning with cobblestone replaced by acacia logs, the lava in the blacksmith buildings catches the surrounding wood on fire. This may also happen in the new taiga villages, but I haven't seen any yet.

To reproduce, create a world with seed 8695011888300679917 and teleport to -1728 64 907. (This village is rather oddly generated too.)