But he added: "People were upset because it was a traumatic experience.
"We made an emergency landing and no one would tell us what happened until after we landed."
He reported that an airline employee estimated the crack to be about 20 centimetres.
The Boeing 757 aircraft was flying from Orlando, Florida, to Keflavik, Iceland, with 155 passengers and seven crew, the local Le Quotidien newspaper reported.
Bagotville, about 124 miles north of Quebec, does not normally handle international flights.
But Mr Hove said Canadian immigration officers were sent onto the plane to clear the passengers.
Icelandair said another aircraft later arrived so passengers could continue to Keflavik and then on to destinations in Europe.
The airline is the flag carrier of Iceland and serves 48 destinations in 16 countries.