Aiden McGeady scored in the 84th minute Sunday to give Celtic a 1-0 victory at Falkirk in the Scottish Premier League.
The win gives the league leaders 22 points after nine games.
Although Falkirk controlled much of the play in the match, McGeady scored the winner on a drive from 16 metres out.
Hearts and Rangers also won.
Hearts improved to 19 points by beating Dundee United 4-0. Rangers stayed seven points behind Celtic in third place after downing Aberdeen 1-0.
Hearts led 2-0 at halftime, getting an own-goal from Alan Archibald and then a goal from Juho Makela. Paul Hartley, who scored from the penalty spot, and Jamie Mole added the others in the second half.
Rangers got its win on Filip Sebo's 88th-minute goal.
On Saturday, it was: Inverness Caledonian Thistle 1, Dunfermline 0; Motherwell 5, Kilmarnock 0; and St. Mirren 1, Hibernian 0.
