Wenger expects the £12million striker to start motoring - after claiming Giroud has released his self-imposed handbrake.
He said: "One of the big positives before that was Olivier's two goals against Fulham.
"That and also his general performance. I believe he is playing with more freedom now. You can see that he is less tense - the handbrake has come off a bit and he has gained a little bit of freedom in his movement and technique.
"That is coming out in his game and we are happy with his progress."