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.

TikTok’s future in the United States is yet to be seen following a Supreme Court ruling that cleared the way to ban the app Sunday and President-elect Donald Trump’s wish to keep it. The high court unanimously ruled Friday that the divest-or-ban law does not violate TikTok’s or its users’ First Amendment rights.

The US Supreme Court on Friday upheld a law that could force TikTok to shut down in the United States, potentially cutting off the app's 170 million users within days. The Department of Justice noted that enforcing the law "will be a process that plays out over time,