You'll need to respoool it. Do a search on youtube and you'll find many demonstrations.
The one thing that needs to be attended to is that the film is NOT taped on at the end of the roll. So after a bit of winding the film onto a new spool you'll have the film itself flopping loose. I would tape this down, but maybe simply paying attention and making certain that it it wrapped properly will work?
One search result at the time where the film end issue shows up-
Of course all of this needs to happen in a light-tight place. Changing bag, darkroom, closet with blanket over door?