Donald Phillips died last weekend of hypothermia, not drowning, East Algoma OPP disclosed today.
On Saturday, police reported that the 47-year-old Elliot Lake man had died after a boat containing three men overturned on Esten Lake.
One man was able to swim 50 feet to shore before police got to the scene.
A second man was able to make it after police arrived.
The third man was recovered by the fire department.
After a post-mortem this week, the OPP advise that the cause of Phillips' death was hypothermia.
The investigation is concluded, OPP said in a release.