It’s official. Gandalf will be marrying Jean-Luc Picard. In a way.

Sir Ian McKellen, the actor known for playing roles such as Magneto in the Bryan Singer X-Men movies and Gandalf in the Lord of the Rings movies, has announced that he will be officiating the wedding of Sir Patrick Stewart and Stewart’s fiance, Sunny Ozell.

Stewart is well-known for many roles, notably as Professor Charles Xavier in the Singer X-Men movies and as Captain Jean-Luc Picard on the TV show Star Trek: The Next Generation.

McKellen announced his marriage responsibilities during an interview on The Jonathan Ross Show. He also stated that he has performed a marriage before, officiating the civil partnership of two men in the U.K.

“I’m going to marry Patrick,” said McKellen, who immediately saw the problem with his wording. “But, no, well, how else do you put that? I am going to officiate, yes, at his wedding.”

McKellen also jokingly propositioned Doctor Who actor Matt Smith, who briefly showed up during the interview. The host later plays a clip of McKellen’s first appearance on television in 1964. The marriage revelation begins at the 11-minute mark in the video below: