The usually free-scoring Gunners have failed to hit the back of the net in their opening two Premier League games but the Belgian centre-half is not too worried, especially after helping keep two clean sheets.
"But you have to look at the positives as well: our shape is really good and we haven't conceded any goals in two games.
"That is not easy, especially at a place like Stoke, so we have to keep on working and in the end the results with come. I think the team will get stronger and stronger every game now.
"It is always difficult to go to Stoke but we fought again and have kept another clean sheet. That is good but normally our strengths are scoring goals."