Filmmaker Farhan Akhtar has warned his fans against a fake poster of his upcoming film "Taalash" that is being circulated online.

"Please beware of a fake 'Talaash' poster doing the rounds.... it is not the official first look. That is still to happen," Farhan wrote on microblogging site Twitter.

Directed by Reema Kagti, the film stars Aamir Khan, Kareena Kapoor and Rani Mukerji. The suspense thriller is also being co-produced by Aamir along with Farhan and Ritesh Sidhwani.

Aamir plays a cop in the film.