The striker recently ended a goal drought against Hull City.
The Gunners striker has been in a rut over recent weeks, having gone 12 games without a goal in what had been an encouraging season from him.
He ended that run against the Tigers though, bagging two goals to take him to 22 goals for club and country this season.
And Wenger believes they will have restored the Frenchman’s confidence, with him hopeful he now goes on a goalscoring run between now and the end of the season.
“It is a weight on the shoulders when the players don't score so the fact that they score will of course take that weight off,” he told arsenal.com.
“Overall, I am pleased that [Giroud and Walcott] scored. But it is a bit cyclic always, especially for Giroud.”
“This season for example, he has had games where he has gone boom, boom, boom, boom, boom and after he had a little spell where he didn't score. Now I hope he has a repetition of his former spell and starts to score again.”
The Gunners could certainly do with Giroud enjoying a goalscoring run between now and the end of the season with their title hopes now looking slim.
Their failure to score recently has seen them fall away in the title race, and widespread criticism aimed their way as a result.
They are now eight points behind leaders Leicester City, with many believing the title is no tin the Foxes hands.
Given the unpredictable nature of the league this season though, a goalscoring run from Giroud to aid Arsenal could see them still be late challengers regardless.