The Sky Blues went ahead against the run of play after half an hour thanks to a brilliant 20-yard effort from David Bell.

Kevin-Prince Boateng nodded a leveller for the Premier League side in first-half stoppage time after good work by Younes Kaboul, but the troubled 2008 FA Cup winners never looked like finishing off Chris Coleman’s resilient Championship outfit.

They came closest when back-up Coventry goalkeeper Dimitrios Konstantopoulos, on for the injured Kieren Westwood at half-time, denied John Utaka and Tommy Smith with great saves late on.