Joe Taylor scored the only goal deep in the final quarter to give Wigan a 1-0 victory over Luton in Gary Caldwell's first game back as manager.
A first win in seven league games lifted Wigan out of the League One relegation places and dealt a blow to Luton's play-off push.
A Subdued Opening
Luton had the only sight of goal during an uneventful first half, when Isaiah Jones was fouled inches outside the penalty area.