A 39-year-old Allentown man was killed on the job on Christmas Eve.

The Lehigh County Coroner’s office said Michael David Lugo was pronounced dead at 11:31 a.m. Saturday at NFI Industries, located at 9645 West Hills Court, Weisenberg Township, Lehigh County.

An autopsy was completed today. The manner of death was ruled an accident.

Lugo was pinned between a loading dock wall and a trailer.

In addition to the coroner’s office, the death is being investigated by the Pennsylvania State Police, Fogelsville Station and the Occupational Safety and Health Administration.