The actor sustained a concussion following the on-set incident
Credit: George Pimentel/WireImage

Former Beverly Hills, 90210 star Jason Priestley sustained a concussion after falling off a horse on the set of his upcoming series The Code, the actor announced Wednesday on Twitter.

“Hey guys, thanks for all the kind words,” Priestley wrote. “It’s true, I did get thrown off a horse on set … I got my bell rung pretty good.”

He continued, “Because I have a history of concussions, they took me to see a neurologist for an assessment. He advised I take a few days off as I had suffered a concussion.”

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Priestley assured his fans he was “on the mend” and looking forward to getting back to work. According to ET Canada, the 10-episode series finds Priestley as an ex-hockey player turned investigator. It’s set to premiere on Canada’s Global network in 2016.