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.