Huddersfield's promotion challenge faltered as Swindon climbed to within touching distance of the play-off places with a 2-1 win.
Charlie Austin, making his first home start for Swindon, masterminded the opener in the 23rd minute.
The youngster controlled a long ball into the box and found Billy Paynter, who slid the ball under Alex Smithies from eight yards.
The lead lasted just five minutes when a long clearance from Smithies bounced on the edge of the Swindon penalty area and found Lee Novak, who fired into the top corner from 20 yards.
But Swindon restored their lead in the 58th minute when Kevin Amankwaah won the ball on the halfway line and crossed to Austin, who brought the ball down and finished well.
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