Billy Mckay won and scored a penalty, getting international team mate Alan Mannus sent off in the process, as Dundee United lost 2-1 to St Johnstone.
Niall McGinn again continued to impress for Aberdeen as he assisted their only goal as they lost 2-1 against Inverness, McGinn had to unfortunately go off before halftime due to injury.
Elsewhere in England Roy Carroll kept a clean sheet as Notts County won 1-0 against York.