Ben Affleckwas seen arriving atJennifer Garner‘s home one day afterappearing to be publicly inebriatedat an event on Saturday night.

“You could tell that it wasn’t an easy thing for him, but Ben owned his mistake,” a source tells PEOPLE. “He said it happens, that he slipped up but that it won’t happen again. It was a smart move because now the story is basically over.”

“He looked tired,” the source adds.

A rep for Affleck did not immediately respond to PEOPLE’s request for comment.

The night before, the father of three, 47, was spotted attending the UNICEF Masquerade Ball in West Hollywood.

“Sobriety is difficult and elusive for everyone struggling with addiction,” a friend of Affleckpreviously told PEOPLEafter the footage from the ball was published. “Ben has acknowledged he’s going to slip up from time to time. It was never as if this was simply behind him.”

Ben Affleck.BG027/Bauer-Griffin/GC Images

Ben Affleck

Hours ahead of the ball, the actor addressed havingbeen in recovery for over a yearon social media aftercracking a jokeabout his personal life.

“But let’s be serious for a moment and talk about something that is actually important,” he wrote. “I have been in recovery for over a year and part of that is helping out others.@themidnightmissionis an incredible organization that helps those in need with housing, training, development and recovery.”

“I’m making a donation today because there are peoplebattling addictionevery day that don’t have the resources and need help,” he continued.

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Ben Affleck

Affleck, who’sbeen in rehab multiple times, entered rehab again in August 2018.

He stayed at the center, with onlybrief breaksto work out at home and attend business meetings, until October when hebroke his silenceabout his treatment in an emotional statement on Instagram.

“This week I completed a forty-day stay at a treatment center for alcohol addiction and remain in outpatient care,” Affleck revealed in the Oct. 4 post. “Battling any addiction is a lifelong and difficult struggle. Because of that, one is never really in or out of treatment. It is a full-time commitment. I am fighting for myself and my family.”

Pascal Le Segretain/Getty; Axelle/Bauer-Griffin/FilmMagic

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Ina candid interviewthis March, Affleck toldTodayco-hostHoda Kotbthat he’s thankful to have “wonderful” Garner, 47, as a co-parent. “When somebody’s the mother of your kids, they’re going to be the most important central person in your life and that’s good,” theTriple Frontieractor said.

A sourcetold PEOPLEin August: “Ben’s relationship with Jen is strong. She’s really supportive of Ben, and they work very closely on parenting their kids.”

source: people.com