 He became a favourite with the fans who nicknamed him "Tonka" after Tonka Toys, which were described as 'indestructible'.In 1991 Stewart returned to Scotland, to play for St Johnstone and in 1994, briefly for Stirling Albion.Following his performances with newly promoted West Ham in the 1980–81 season, Stewart was called up by manager Jock Stein for Scotland making his debut on 15 May 1981 against Wales in Swansea.