Arnold Schwarzenegger has something new to celebrate. The graduation of his son.

The “Terminator” actor used Instagram to mark the achievement of his son Joseph Baena, 21, who just graduated from Pepperdine University.

“Congratulations Joseph! Four years of hard work studying business at Pepperdine and today is your big day!” the caption read. “You have earned all of the celebration and I’m so proud of you. I love you!”

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Baena was studying Business and Business Management at Pepperdine and in his first year was honoured for his “Student Philanthropy” reports the Daily Mail.

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Baena shares his Dad’s fondness of lifting weights, even recreating his father’s classic pose that won him Mr. Olympia six times.

In the past, Schwarzenegger has posted Instagram stories of him giving his son fitness tips while lifting weights.