Kieran Gibbs believes Arsenal are now "back on the front foot" as they prepare to head to West Ham.
The Gunners recovered from their home defeat by Barclays Premier League leaders Chelsea last weekend to move a step closer to qualification for the knockout stage of the Champions League with a 3-1 win over Olympiacos at the Emirates Stadium.
Gibbs feels Arsene Wenger's side can now head to Upton Park in confident mood.
"It was important to bounce back after a defeat (against Chelsea) at home. It was important for the players especially," Gibbs told Arsenal Player.
"We wanted to shake off a few doubts in our mind that we had. We certainly did that and we're back on the front foot now.
"This is what we have to keep doing and keep pushing on from here."
Left-back Gibbs was yesterday recalled to the England squad for the upcoming World Cup qualifiers against San Marino and Poland.
His team-mate Carl Jenkinson missed out on the squad but could earn a first England cap in next month’s friendly with Sweden.
England boss Roy Hodgson says the 20-year-old is in line to play in Stockholm next month, revealing: “We kept Jenkinson up our sleeves on this occasion, but he’ll be in our thoughts for the next friendly.”
