Jay Bothroyd's late goal gave Wolves a 1-0 win over local rivals West Brom at Molineux.
Bothroyd climbed off the bench to net the only goal of the game seven minutes from time to boost Wolves' play-off hopes.
In a game of few chances Bothroyd proved to be the difference between the two sides to help exact revenge for Wolves' FA Cup exit to their old foes earlier in the season.
After a quiet first half the game came to life in the second period as both sides pushed for a winner.
Bothroyd came close to scoring seconds after he came on after 67 minutes when he fired in a shot which Dean Kiely did well to turn round the post.
West Brom went close to scoring four minutes later when Diomansay Kamara superbly tricked his way into the box only to hit his shot off the outside of the post.
Wolves broke the deadlock seven minutes from time when Michael Kightly found Bothroyd and he dispatched his shot from 12 yards to send the home fans into raptures.
West Brom threw everything into attack in the closing stages and Kamara wasted two great openings to get something from the game for the visitors.
The win stretches Wolves' unbeaten run to eight games and lifts them above West Brom up to fourth place in the table.