McNiven has been assigned to the Jacksonville Icemen of the ECHL, Stu Cowan of the Montreal Gazette reports.
McNiven was reassigned to AHL Laval on Saturday.
The Canadiens recalled McNiven from AHL Laval on Friday.
McNiven is likely to be called up for Saturday's game against the Devils, Pat Hickey of the Montreal Gazette reports.
McNiven was sent back down to AHL Laval on Wednesday.
McNiven was called up from AHL Laval on Thursday.
The Canadiens recalled McNiven on Friday.