A fire broke out early Saturday afternoon on the roof of an industrial building at the 1600 block of Frontenac Road in Naperville.
The Naperville Fire Department received a 911 call at 1:10 pm, according to a news release.
The fire was put out within 15 minutes, and no one was injured.
Company representatives told authorities they had a fire in a commercial roaster oven, and there was a small fire around the exhaust pipe on the roof.
The Naperville Fire Department determined the fire was an accident.