Great, now all the kids will be trying to give themselves concussions: Justin Bieber reportedly suffered mild disorientation after running into a wall of glass during a concert in Paris on Thursday.

But breathe easy, Beliebers: after the show, the singer tweeted, “thanks for the love but there are a lot of people out there who need prayers. im fine. just smacked my head and needed some water. all good.”

Bieber told TMZ that he was performing when a quick walk backstage resulted in him running into a glass wall; disoriented, he went back onstage to finish the set, and then walked to his dressing room where he passed out for roughly 15 seconds. TMZ reports that Bieber’s doctors said he suffered a concussion, but will be fine.

While Bieber will make a full recovery, he took to Twitter to pose a challenge to his physical adversary: “i will see u again Glass. I will have my revenge. BIEBER vs GLASS. MGM LAS VEGAS 2012. Lol. #GottaLaughAtYourself”

Manager Scooter Braun (the first to beliebe) tweeted a similar declaration: “jb is gonna be fine. things happen. he is a trooper. canadian hockey player. tough kid. no issue.”

Let us not forget, this “Canadian hockey player” is also a boy/man who has had similar run-ins with glass in the past. Observe:

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