Second-placed Aberdeen made it 10 home wins in a row with a 1-0 victory over Inverness Caley Thistle on Tuesday night.
The only goal came midway through the first half when Gary Warren turned the ball into his own net under pressure from Ash Taylor following a corner.
In the night’s other Ladbrokes Premiership game Ross County leapfrogged Dundee with a 2-1 win in Dingwall. Darren O'Dea's penalty cancelled out Tim Chow's early goal but Liam Boyce converted a last-minute spot-kick for the Staggies.
In Ladbrokes League 1 it finished 1-1 between Albion Rovers and Queen’s Park at the Exsel Group Stadium. Ryan Wallace opened the scoring for Rovers but Anton Brady grabbed a last-gasp leveller for the Spiders, who have now drawn six games in a row.