Huddersfield set up a match against Wigan in the last 16 of the FA Cup after beating fellow second-tier side Leicester 2-1 in a fourth-round replay on Tuesday.
Sean Scannell scored a 75th-minute winner for the visitors, who were expected to struggle against a team that is challenging for promotion to the Premier League and beat Huddersfield 6-1 in the league on Jan. 1.
Adam Clayton's free kick put Huddersfield ahead in the fifth minute but Michael Keane equalized two minutes later.
Huddersfield will host Wigan in the fifth round on Sunday.
Saturday, Feb. 16
Arsenal vs. Blackburn
Luton vs. Millwall
MK Dons vs. Barnsley
Oldham vs. Everton
Sunday, Feb. 17
Huddersfield vs. Wigan
Manchester City vs. Leeds
Monday, Feb. 18
Manchester United vs. Reading
Wednesday, Feb. 27
Middlesbrough vs. Brentford-Chelsea winner