David Marshall and Graham Dorrans have pulled out of the Scotland squad to face Sweden this week through injury.
Cardiff goalkeeper Marshall has been forced to withdraw from the squad because of an elbow injury.
West Brom ace Dorrans misses the trip to Stockholm as he struggles with a groin injury which leaves him doubtful for next weekend's Premier League opener with Chelsea.
Everton goalkeeper Iain Turner has been called up by Craig Levein to replace Marshall in the squad.
Midfielder Scott Brown is still struggling with a foot injury but the Celtic skipper is keen to travel with the squad.