Willem II but was not used - the club lost 2–1. Aisatti suffered a knee injury on 24 September 2008 and was expected to be sidelined between five and six weeks. It came after he suffered a knee injury a week before during the reserve match. However, the rehabilitation took longer than expected and Aissati did not play an official match for Ajax in the year 2008. In December Aissati trained again and played a few games with the Ajax reserves, but he took it easy to not rush anything. He made a comeback in the reserve against N.E.C. on 16 February 2009, On 22 February 2009, Aissati finally made his debut for Ajax in the 60th minute to come on for Robbert Schilder in a 2–1 draw against FC Volendam after a months of rehabilitation for his knee injury. Aisatti provided assists at his first season at Ajax and on 5 April 2009, Aissati scored his first goal for Ajax in a 2–1 win over Roda JC. In his first season, Aissati made nine appearances and scored once. In 2009–10 season, Aissati once again began playing regularly under Martin Jol as he was no longer in the selection under Martin Jol after a cup match against NEC, Jol said that Aissati was not physically strong enough and let him run up and down the stadium stairs with Miralem Sulejmani in front of full media attention. Aisatti, once again, missed the majority of the season, due to injuries. Aissati was based player at Ajax but was told that he was the club could leave and on 4 May 2010 also gave Aissati to not be satisfied with his role at Ajax and he said the club wanted to leave so he does every week could stand on the field. Aissati made 14 league appearances and scoring three against Heracles Almelo on 30 August 2009, Heerenveen on 22 November 2009 and Vitesse on 29 November 2009. In the 2010–11 season, Aissati played two matches against Groningen and Vitesse for Ajax before joining Vitesse on loan. After Vitesse decided to not make the deal permanent Aissati returned to Ajax after De Boer was keen to use him in the first team following his impressive display whilst on loan at Vitesse. Aissati, himself, previously stated on returning to his parent ahead of a new season. Upon returning, Aissati, instead, played for Jong Ajax