The Supreme Court ruled Friday that a controversial ban on TikTok may take effect this weekend, rejecting an appeal from the popular app’s owners that claimed the ban violated the First Amendment.

The company argued that the law, citing potential Chinese threats to the nation’s security, violated its First Amendment rights and those of its 170 million users.

Now that TikTok has finally reached the end of its legal options in the US to avoid a ban, somehow its future seems less clear than ever. The Supreme Court couldn’t have been more direct: the Protecting Americans from Foreign Adversary Controlled Applications Act,