diff --git a/object.c b/object.c
index 23a24e678a..4be82c1e7b 100644
--- a/object.c
+++ b/object.c
@@ -199,7 +199,7 @@ struct object *lookup_object_by_type(struct repository *r,
 	case OBJ_BLOB:
 		return (struct object *)lookup_blob(r, oid);
 	default:
-		die("BUG: unknown object type %d", type);
+		BUG("unknown object type %d", type);
 	}
 }