Last Exorcism producer Eli Roth is promising an R-rated sequel for his 2010 sleeper hit about a priest who encounters a real demon-possessed soul while shooting a documentary meant to debunk exorcisms.

He tells Deadline:

The first film worked great as a PG-13 psychological film, but now we want to go R-rated and show the true horror of what this subject matter offers.

Obviously with the title of the first one, we had not planned on a sequel, but we love the story and subject matter and had what we feel is an inspired idea to continue it.

Production on the sequel is set to begin next month in New Orleans. The story will pick up three months after the events of the original and will find lead Ashley Bell reprising her role as the possessed Nell Sweetzer.

Helming the StudioCanal financed project will be Ed Gass-Donnelly (This Beautiful City) from a script by Damien Chazelle (Guy and Madeline on a Park Bench).

The Last Exorcism was produced for a little under $2 million and went on to earn over $65 million in worldwide coin.