PORTLAND (AP) — A Portland waterfront restaurant expects to reopen on Saturday following a fire that caused least $50,000 in damage.

Firefighters said Boone’s fish House Oyster Room was empty when firefighters responded at about 4 a.m. Wednesday and there are no reported injuries.

Firefighters said they discovered the fire in the walls surrounding a chimney.

Manger Andre Gennitti told the Portland Press-Herald (http://bit.ly/1cOamYj) the fire started in a wood frame around the central fireplace. It damaged the flooring around the fireplace and floorboard on the second floor.