Nottingham Forest will be without defender Eric Lichaj for at least four weeks because of a pelvis injury.
Lichaj had initially suffered the problem during the match with Watford at the end of January, but it was hoped that rest would resolve the issue.
However, the 25-year-old failed to make half time in his return fixture against Wigan Athletic on Saturday, and it is feared that the USA international won't return until the middle of April.
The former Aston Villa player has made 26 appearances for Forest during the current campaign.
