Livingston are now nine points clear at the top of Ladbrokes League 1 after winning 1-0 away to Stranraer on Saturday.
Liam Buchanan scored the only goal six minutes from time as Livi increased their lead over Alloa, who drew 0-0 at East Fife.
Ryan McGeever scored a last-minute equaliser as it finished 1-1 between Queen's Park and Brechin City at Hampden after City had gone ahead through Andy Jackson.
Airdrieonians are outside the top four only on goal difference thanks to a 1-0 home win over bottom club Stenhousemuir - Iain Russell got the goal.
It finished 0-0 between Albion Rovers and Peterhead at the Exsel Group Stadium.