Rookie winger Paul-Jose M'Poku is doubtful for Leyton Orient's trip to Colchester.
The Tottenham loanee missed Saturday's 2-1 win over Rochdale with a hamstring strain and is still struggling.
Veteran striker Scott McGleish will sit out again with his rib injury but boss Russell Slade has no new worries.
Goalkeeper Jamie Jones is fit after a month on the sidelines with a groin injury but only made the bench on Saturday with Slade opting to stick with Lee Butcher.
French frontman Jonathan Tehoue was also among the substitutes after shaking off a virus and will be involved again.
Saturday's success lifted the Os out of the bottom three but they are yet to win on the road this season.