Stenhousemuir 1-2 Airdrieonians
Airdrieonians stretched their unbeaten run to seven matches and inflicted a second successive defeat on promotion-chasing Stenhousemuir.
Scott Stewart stroking the ball home for his first professional goal to put the Diamonds ahead after 28 minutes.
The visitors doubled their lead on 63 minutes when Craig Barr headed home.
Sean Dickson pegged them back just 60 seconds later with a left-footed strike, but the Ochilview side could not find an equaliser.
Defeat leaves Stenhousemuir a point behind Ayr United in the race for the last promotion play-off spot with one game remaining.
Ayr host East Fife, who need points to avoid relegation, while Stenny are away to Brechin City.