The Moroccan kicked off his Gunners career in impressive fashion with some strong early performances before tapering off when Robin van Persie returned to fitness and form.
"No, I think it'll in fact be easier," he told the club's official website.
"I understand both the football and the group better, and I now have many friends in this team. So I aim to keep improving and to make a big contribution.
"Your first pre-season is always difficult, you have to accustom yourself to new training and make new friends, but we're all together and everything looks fine."