For the home side, Everton loanee, Tyler Onyango looks set to miss the game after returning to his parent club for a scan after picking up a thigh injury.
Jordan Moore-Taylor is a long term absentee, while skipper Baily Cargill is a doubt with a knee injury.
For Charlton, Sean Clare and Matt Penney face late fitness tests after being substituted in Saturday's game with injury. Miles Leaburn missed the fixture with a minor hip injury and it is likely Tuesday's game comes too soon for him.
The Addicks are waiting to hear if Ryan Inniss is suspended for the game. The centre-half was sent-off on Saturday but the club confirmed on Monday that the decision was being appealed.
Todd Kane (hamstring) and Mandela Egbo (quad) are still unavailable, while Michael Hector may be in contention after playing for the club's U21s last week.