Jordan Archer played the full game as Scotland U21s lost 3-2 to their Portuguese counterparts in Setubal on Wednesday.
However, the 20-year-old has trained with the Wanderers this week and is in contention for Saturday’s npower League 2 fixture at Northampton Town.
Striker Matt McClure had initially been called up to the Northern Ireland U21 squad for their game against England, but had to withdraw as he was not yet fully fit following a hamstring injury.