McCarthy made one change for Saturday's trip to Charlton as left-back Aaron Cresswell returned from suspension and he was rewarded with a 1-0 success at The Valley.
With Town winless on home soil in three attempts, McCarthy, who has no new injury or suspension concerns, is unlikely to tinker with that winning formula.
Striker Paul Taylor continues to struggle with a shoulder injury but midfielder Luke Hyam has recovered from a back problem and could make the bench.
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- Aaron Cresswell