diff --git a/block/elevator.c b/block/elevator.c
index 5e558c4..56c2ed0 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -728,8 +728,7 @@
 int elv_register(struct elevator_type *e)
 {
 	spin_lock_irq(&elv_list_lock);
-	if (elevator_find(e->elevator_name))
-		BUG();
+	BUG_ON(elevator_find(e->elevator_name));
 	list_add_tail(&e->list, &elv_list);
 	spin_unlock_irq(&elv_list_lock);