The app’s availability in the U.S. has been thrown into jeopardy over data privacy and national security concerns.

In an unsigned decision, the court sided with the government’s arguments that the divest-or-ban law does not violate the First Amendment. In a unanimous ruling, the Supreme Court voted Friday to uphold a law that will require TikTok to shut down as soon as Sunday,

The decision came a week after the justices heard a First Amendment challenge to a law aimed at the wildly popular short-form video platform used by 170 million Americans that the government fears could be influenced by China.