Huddersfield Town came unstuck against promotion rivals Brighton.
Both sides were hit by injury, Danny Ward replacing hamstring victim Jermaine Beckford for Town.
Brighton had two regular defenders ruled out and goalkeeper Tomasz Kuszczak injured a hand in the pre-match warm-up.
Will Buckley tucked away a fifth-minute opener for Brighton and made it 2-0 in the 40th when he raced through the middle.
Town forced nine second-half corners but had to be content with a 90th-minute tap-in from Simon Church.