Set-pieces proved key in south Wales as Watford came from behind to beat Cardiff City 2-1, with all three goals scored from corners.
Watford deservedly levelled as their own towering centre-back, Francisco Sierralta, got on the end of Ken Sema's corner to head past Ryan Allsop.
The ever-dangerous Ismaila Sarr scored the winner with his shoulder.
Cardiff almost found a late equaliser when Jaden Philogene and Sheyi Ojo combined well before the former Liverpool man burst into the Watford box, only for his chance to be smothered by Hornets keeper Daniel Bachmann.
Victory moves Watford up into the Championship play-off places while Cardiff drop a place to 18th.