This is what happens when Batman isn't around to protect people.

Ben McKenzie (Southland, The OC), who plays a young James Gordon in a pre-Batman Gotham City on the highly anticipated Fox drama Gotham, suffered a head injury on the show's set on Friday. Us Weekly had previously reported the news.

McKenzie posted a photo to Instagram of himself with a gash on his forehead. "Fight sequence gone awry," McKenzie captioned the photo. "Don't ram your head into concrete pillars, kids. #gotham." He added: "Holy concrete wall, Batman!" McKenzie also pointed out that the incident happened on his birthday.

Luckily, McKenzie was able to get stitched up, and he thanked the doctor who treated him. McKenzie plans to resume filming the show on Monday.

Prior to this, the news surrounding Gotham had been largely positive. The show was recently named the most promising new series of the upcoming fall season in a poll by the Television Critics Association, and, in an unprecedented move, Netflix snatched up the rights to the show prior to its premiere.

Gotham makes its debut Sept. 22 at 8 p.m. on Fox.

Email: Ryan.Gajewski@pgmedia.org

Twitter: @_RyanGajewski