Nemanja Vidic is confident Manchester United have shown their character in the way the Premier League champions have responded to a humiliating derby defeat.
United were hammered 6-1 at home by Manchester City just over a week ago, with the result allowing Roberto Mancini's side to open up a five-point lead at the top of the table.
However, the Red Devils have followed up that mauling with a 3-0 success at Aldershot in the Carling Cup and a battling 1-0 win at Everton at the weekend.
Vidic, who missed the City capitulation, has started the last two matches and the United captain has praised the way his side have recovered from 'one bad day'.
Difficult to take
"It was important to show the 6-1 didn't affect the players and I think we showed that at Everton," said Vidic.
"It was important to defend like a team and get back to playing as a team. In the last 20 minutes against City we didn't do that.
"That's why we were disappointed. But since then we've come back to the way we used to play.
"When you lose a derby, especially by that scoreline, it is difficult to take but we have shown character."
He added: "Hopefully we can prove that the derby was just one bad day.
"We haven't come to training with our heads down. We have worked harder because we want to play better. This is the right mentality to have.
"When you lose games you can always look at the things you did wrong and what you can improve.
"Losing that game was difficult but it's important to look forward. Even when you win you can't spend time celebrating, you have to focus on the next game."