Republican Sen. John McCain of Arizona called his Senate colleagues’ campaign to repeal and replace Obamacare this summer “insanity,” and told President Donald Trump he was “sorry” he could not vote the party line, Esquire reports.

Trump, much like he did with other senators, called McCain to try to get him to vote yes for the Senate’s eleventh-hour bill to repeal Obamacare in late July, known as the “skinny repeal.”

“I thank you, Mr. President, for your involvement,” McCain told Trump minutes before he shot down the party’s last attempt to overhaul Obamacare. “I cannot vote for something called Skinny Repeal. I can’t do it. I didn’t even see the bill until today. I mean, this is insanity. I appreciate the call and now I have to go vote, and I’m sorry.”

The skinny repeal died in a contentious 51-49 vote, with McCain, along with GOP Sens. Lisa Murkowski of Alaska and Susan Collins of Maine, voting no.