You can always swap yeasts. You'd get a different beer, but go for it. Another Belgian yeast might be the safest bet. But you can use any yeast you'd use for a brown ale, or even try a lager yeast I suppose. Maybe something wouldn't work (Hefe yeast? Irish stout yeast?), but I think most would give you something good.
EDIT: don't try a lager yeast unless you are doing lager temps.