It took them until the fourth game of the season but Wolves finally got their season up and running with Bruno Lage's first Premier League victory at Watford.
Hwang Hee-chan came off the bench to score his first goal for his new club after joining from RB Salzburg this summer.
The first-half passed without a goal as Wolves controlled more possession but allowed the hosts better chances.
Wolves finally bagged their first Premier League goal of the season 74 minutes into the fourth game of the campaign, but it was a Francisco Sierralta own-goal that put them ahead.