TikTok said it will have to “go dark” this weekend unless the outgoing Biden administration assures the company it won’t enforce a shutdown of the popular app after the Supreme Court on Friday unanimously upheld the federal law banning the app unless it’s sold by its China-based parent company.

ByteDance has until January 19th to sell TikTok to a non-Chinese owner, or see the app banned in America. As the chances of a ban have grown, following the Supreme Court’s decision on January 17th to uphold a sell-or-ban law passed last year,