Sam Taylor-Johnson, the director behind the highly-anticipated Fifty Shades of Grey movie, had her home raided by police after a passerby spotted a M16 rifle through the window.

Police Raid Sam Taylor-Johnson's Home

Johnson’s London home, which she shares with her actor husband Aaron Taylor-Johnson, was raided by police on Thursday when someone walking passed the property saw the machine gun resting on a desk through the window.

"Police were called at 23:40 hours on Thursday 28 by a member of the public reporting they had seen from the street what they thought was a firearm sitting on a desk by the window of property," London Metropolitan Police told E! News. "Local officers and officers from Metropolitan police attended. The owner was not home at the time, a key holder was contacted and let police in the property. It was confirmed the firearm was a deactivated M16 rifle. No arrests were made."

The passerby had no need for concern, as the firearm spotted through the window is fully decommissioned and in the director’s possession because of her connection to the Peace One Day M16 art project curated by Jake Chapman.

"The firearm was located in Sam Taylor-Johnson's basement studio and has been confirmed as a certified and fully decommissioned M16 assault rifle that was provided to Mrs Taylor-Johnson by the international charity Peace One Day as part of an art project entitled 'Peace One Day M16,'" Taylor-Johnson’s rep told the Herald Scotland. "The project, curated by Jake Chapman, consists of new works by some of the most celebrated names in contemporary art all of whom are transforming fully decommissioned M16 assault rifles."

Fifty Shades of Grey hits theaters Valentine's Day weekend 2015.