Charlton will check on Ezri Konsa ahead of the visit of Oxford.
The teenage defender hobbled off injured just 30 minutes into Saturday's 3-3 draw at Rochdale.
Konsa was replaced by Jorge Teixeira, who pushed his claims for a start by scoring twice including a last-gasp equaliser.
Nathan Byrne is back from a ban but Harry Lennon, Roger Johnson and Jason Pearce remain sidelined.
Oxford must dust themselves down as they return to league action following their dramatic 3-2 FA Cup defeat at Middlesbrough.
Another wild weekend in the FA Cup shows that English football's oldest cup competition is doing just fine. Iain Macintosh looks back at the best and worst performances.
They are the first nonleague team to reach the FA Cup sixth round since 1914, and they might just be responsible for the greatest shock in the history of the competition. On Saturday afternoon, Lincoln City of the National League went to the home of Premier League Burnley and beat them with a dramatic goal in the dying...
Aitor Karanka hailed unsung hero Cristhian Stuani after seeing him come from off the bench to help Middlesbrough beat League One side Oxford 3-2 in the FA Cup fifth round.
Stuani's 86th-minute winner at the Riverside Stadium ended the visitors' hopes of a replay after they had fought their way back from 2-0 down.
The Uruguay international's goal against Brighton in the final game of last season secured Boro's return to the top flight and he was on hand once again to earn the plaudits of the Boro...