Hearts defender Callum Paterson has been called up to the Scotland squad.
He will replace Stoke full-back Phil Bardsley, who has pulled out through injury.
Gordon Strachan's side face the Republic of Ireland in a Euro 2016 qualifier on Friday, followed by a friendly with England next week.
Crystal Palace midfielder James McArthur hurt his calf in Saturday's Premier League defeat at Manchester United, but it is unclear whether he will be fit to feature.
Download the brand new OffTheBall App in the Play Store & App Store right now! We've got you covered!
Subscribe to OffTheBall's YouTube channel for more videos, like us on Facebook or follow us on Twitter for the latest sporting news and content.
