The court heard oral arguments on TikTok’s bid to block a law that would lead to its ban in the U.S. starting Jan. 19 if it isn’t sold by its Chinese owner.

After the Supreme Court heard oral arguments over a law that could ban TikTok, it looks like one of its last possible lifelines is unlikely to save it from the impending ouster.

The justices are expected to rule quickly in the case, which pits national security concerns about China against the First Amendment’s protection of free speech.