Bim Pepple's goal moved Plymouth Argyle further clear of the League One relegation zone as the Pilgrims defeated Peterborough United 1-0 at the Weston Homes Stadium.
Victory in a scrappy encounter left Plymouth four points ahead of fourth-bottom Northampton, with the contest also seeing Peter Kioso sent off late on for the Posh.
Pilgrims Set the Early Tempo
A bright start from Plymouth was almost rewarded just eight minutes in when their top scorer Lorent Tolaj lifted Ronan Curtis' cross narrowly over.