The full back limped out of the win at Oldham late in the game, having only just made a scoring comeback from injury.
He missed last weekends draw with Walsall and a scan this week has revealed the bad news that he will need an operation. Youngster Danny Rowe has returned to the club from his loan at Stalybridge to provide some cover.
Meanwhile James Tavernier is fit for Saturday's game at Peterborough but Wes Thomas has aggravated his thigh injury and will miss out.
We'll have full team news ahead of the weekend tomorrow.