Tesla’s billionaire CEO Elon Musk tweeted late on Tuesday that he was buying Manchester United soccer club.

“Also, I’m buying Manchester United ur welcome,” Musk told his 103 million followers on Twitter, without offering any details.

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Hours later — and after several news articles were published about his bold claim — Musk clarified that it was all a joke.

“No, this is a long-running joke on Twitter. I’m not buying any sports teams,” he said after a user asked him if he was serious about the purchase.

Asked about Musk’s tweet, a Manchester United (MANU) spokesperson told CNN Business that “we do not comment on rumors and speculation.”