Hughton told BBC Sport: "It was one of those old-fashioned battles. In the end they had four or five forwards and we were able to catch them on the break. It shows character in the side, delighted with the clean sheet.
"Gary [Hooper] is a super finisher and he's now up to speed with his physical condition. He's benefitting from a run of games in the team."
Norwich moved up to 14th in the Premier League with the win.