Nemanja Vidic was buoyed by Manchester United's display of character against Everton on Saturday following the humiliating loss in the Manchester derby.
United were thrashed 6-1 by Manchester City only six days before, but recovered sufficiently to leave Goodison Park thanks to a solitary goal from Javier Hernandez.
Saturday's encounter on Merseyside represented Vidic's first league outing since the opening game of the season, and United clearly benefitted from his return to the fold.
And Vidic is pleased his team-mates managed to forgot their psychological scars against Everton in order to retain their place behind City in the league.
"It was important to show the 6-1 didn't affect the players and I think we showed that at Everton," said the United captain.
"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."
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