The Charlottetown Islanders gave up four third period goals in a 5-3 loss Sunday in Rimouski.
The Islander led 3-1 going to the third, but could not hold the lead.
Anthony DeLuca scored four times, including three in the third period, to pace the Oceanic. He now has 15 goals on the season.
Jan Kostalek also scored in the victory while former P.E.I. Rocket defenceman Jimmy Oligny had an assist.
Jack Nevin, Matt Bursey and Yan-Pavel Laplante scored for the Islanders while Daniel Sprong had an assist.
Zachary Fortin gave up three goals on 14 shots before being replaced by Philippe Desrosiers who made all eight shots in the third period. Eric Brassard made 42 saves in the loss.
The Islanders (10-5-0-1) have lost three straight road games. They are back on home ice Friday when they host the Sherbrooke Phoenix at 7 p.m.