Thomas Vermaelen is confident Arsenal can respond to their first defeat in six games by advancing in the FA Cup on Wednesday night.
The third-round replay against Swansea City looms large after Arsène Wenger's side were beaten 2-0 by Manchester City at Emirates Stadium.
Sunday's setback had mitigating circumstances - Arsenal lost Laurent Koscielny to a red card inside 10 minutes - and Vermaelen knows how vital it is to bounce back immediately.
"There are a lot of big, big fixtures coming up against good teams - big games," he told Arsenal Player.
"This [Sunday's game] was the first one, we wanted to have a good start and that is why it is more disappointing we could not get a good result.
"But against Swansea, I am confident the group will respond on this defeat, and I'm confident we can get a result on Wednesday."
Vermaelen and his team-mates stuck manfully to their task in the second half against Manchester City but were undone in the first half by two goals shortly after Koscielny's dismissal.
"You know if you have 10 men you want to keep the organisation and stay in the game as long as possible," said Vermaelen. "You know it is quite hard if you play against Man City but you want to do that.
"They scored quite quickly, the first goal and the second goal, that was really disappointing. You go into half-time and then we said ‘come on, we have to go for it, we’re playing at home.’
Yes [the crowd stuck with us], that's really important and I’m pleased with that
"You never know, if you make it 2-1 you can always get back in the game. We worked hard but we couldn’t get the goal and that was disappointing.
"We were looking for our first goal, we tried to push them in their half and I think we did quite well. But at the end it is about goals and about results and that was not on our side at the moment."
Vermaelen did take one major positive from Sunday's game - the response of the home crowd to Arsenal's efforts.
"Yes [the crowd stuck with us], that's really important and I’m pleased with that," he said.
"That can give us a massive boost that they’re behind us, and they did that through the whole game. It was difficult for us because we had 10 men and for them as well but they supported us through the whole game."Copyright 2015 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source