He will now miss Saturday's away trip to Port Vale, but the Manchester United 'keeper currently on loan at Swindon will return for next Tuesday's LDV Vans Trophy game against Peterborough.
Rhys Evans is still out injured, and won't be ready to make his return yet. Youth 'keeper Matt Bulman came on as a sub on Wednesday night and saved a penalty with his first touch might be given his first ever league start.