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 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.