President Donald Trump’s lawyers asked a federal judge to allow an arbitrator to settle adult film star Stormy Daniels’ lawsuit against him.

Daniels, whose real name is Stephanie Clifford, is suing for her right to speak about their 2006 affair, declaring that she should be able to because Trump never signed their confidentiality contract. Her lawyers argue that therefore, it should be declared null and void.

Trump’s lawyers want the case to go to arbitration as according to the terms of their agreement.

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“This motion seeks to enforce the arbitration provision in the Settlement Agreement, which was negotiated at arm’s’ length by the parties’ respective counsel, and pursuant to which Clifford accepted $130,000 as consideration,” the court case, obtained by Politico, read. “The strong policy favoring arbitration set forth by Congress in the Federal Arbitration Act (“FAA”) dictates that this motion be granted, and that Clifford be compelled to arbitration, as she knowingly and voluntarily agreed to do.”

Daniels’ lawyer, Michael Avenatti, said he will “vigorously oppose” the motion, which would keep the matter “hidden from the American public.”

“This is a democracy and this matter should be decided in an open court of law owned by the people,” Avenatti wrote on Twitter.

Avenatti also pointed out that Trump’s lawyer, Michael Cohen, never declared that Trump didn’t know about the $130,000 settlement.

“And the Declaration Mr. Cohen just filed is more interesting for what it DOES NOT state — it does not state that he never discussed the agreement with DJT, that DJT did not know about the agreement, or that DJT did not ultimately pay the $130k (all issues DJT is also silent on),” Avenatti tweeted.