 On 4 August 2008 Tonet moved to the Scottish Premier League, signing a one-year contract with St Mirren after impressing on trial in pre-season, which included a goal against Football League Championship's Blackpool.His league debut came against Celtic in a 0–1 away defeat, and he went on to play in the first four games, being sent off against Heart of Midlothian in another loss.However, after suffering a foot injury from which he never fully recovered, he was deemed surplus to requirements early in the following year, and released by manager Gus MacPherson at the season's end.