Coca-Cola wants to remind moviegoers to be quiet during the film, and not to slurp their Cokes. The movie just isn’t the same with you in it.

To express this point, the popular soda company added real ‘slurpers’ to a fake trailer in a movie theater in Copenhagen using a hidden camera, a greenscreen, and very quick editing skills.

Viewers couldn’t help but laugh when they saw themselves on the silver screen awkwardly interrupting a steamy love scene.