Huddersfield Town moved six points clear of the Championship's relegation places with a smash-and-grab victory at Sunderland.
The Terriers led when Tom Lees nodded Sorba Thomas' free-kick back across goal, where Michau0142 Helik headed in from close range.
But the hosts went in level at the break after Luke O'Nien fired into the roof of the net from close range following a well-worked set-piece.
Huddersfield hit the front once more against the run of play when the ball broke to Delano Burgzorg on the edge of the box following Jaheim Headley's run and he swept a first-time shot into the bottom corner.