RelationShips Problem

	/**
	 * Delete all relationships to an object.
	 *
	 * @param int    $object_id ID of the object metadata is for.
	 * @param string $type      The relationship type.
	 * @param string $target    The relationship target.
	 */
	protected function delete_object_relationships( $object_id, $type, $target ) {
		global $wpdb;

		$sql = $target
			? "DELETE FROM $wpdb->mb_relationships WHERE `type`=%s AND `$target`=%d"
			: "DELETE FROM $wpdb->mb_relationships WHERE `type`=%s AND (`from`=%d OR `to`=%d)";

		$wpdb->query(
		 	$wpdb->prepare(
		 		$sql,
		 		$type,
		 		$object_id,
		 		$object_id // <-- Problem is this argument
		 	)
		);

	}