Gillingham will be without captain Josh Wright for the visit of local rivals Charlton through suspension.
Defender Deji Oshilaja must also sit out the match after collecting a fifth yellow card in the midweek draw with Walsall.
Midfielder Scott Wagstaff is expected to miss out against his old club having come off at half-time on Tuesday night because of a groin problem.
Full-back Bradley Garmston is close to a return to training after a knee problem, while defender Aaron Morris (knee) and midfielder Lee Martin (ankle) also continue their recoveries.
Charlton will run the rule over defender Jason Pearce, who missed the midweek draw against Port Vale through injury.
Teenage forward Ademola Lookman will also be checked over after coming off with a tight hamstring.
Full-back Kevin Foley is still struggling with a calf problem.
Algerian midfielder Ahmed Kashi remains a long-term absentee with an Achilles injury.