Watford's John-Joe O'Toole scored in the dying minutes to secure a come-from-behind win over Ipswich.
Pablo Counago put the visitors in front in the second minute with a tidy finish after a poor clearance from Mart Poom.
Watford were furious when they were denied a penalty when Tamas Priskin was bundled over by Gareth McAuley.
John Eustace headed the equaliser from a Lee Williamson corner and O'Toole headed in the winner after Richard Wright parried Jobi McAnuff's shot.
Watford boss Adrian Boothroyd: "We needed to do something different because we were abysmal in the first half.
"Thankfully, we went from one extreme to the other and in the second half we got amongst them and stopped giving them presents in front of our goal.
"If we hadn't have got the winner I would have been disappointed because I thought we deserved it in the end."
Ipswich boss Jim Magilton: "The introduction of John-Joe O'Toole helped them but it's a game we should never have lost, the game should have been out of sight.
"The game should have been dead by the end of the first half but we didn't take the opportunities we created.
"We gave them unbelievable chances as, at the moment, we don't have that strength of belief."
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