The Commission on Presidential Debates issued a one-sentence statement Friday admitting "issues" with Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE's audio in this cycle's first debate Monday.

"Regarding the first debate, there were issues regarding Donald Trump's audio that affected the sound level in the debate hall," the statement read.

Trump argued after the debate that his microphone was defective, which rival Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE dismissed as an excuse of someone who did poorly.

ADVERTISEMENT

Trump told reporters immediately following the debate that event organizers "gave me a defective mic" that he said affected the audio inside the Hofstra University venue.

“Did you notice that?” he asked a reporter immediately after the debate. “My mic was defective within the room."

"Was that on purpose?" Trump asked.

The issue didn't appear to affect the broadcast of the debate, the first of three scheduled between Trump and Clinton that reached more than 80 million viewers.

Clinton, who put Trump on the defensive during the high-profile showdown, mocked Trump on Tuesday for complaining about his microphone.

"Anybody who complains about the microphone is not having a good night," Clinton quipped while speaking to reporters on her plane.