 After reorganising his army after Ottoman example he succeeded in conquering Fez in 1549, causing the downfall of the Wattasids.In the conquest of Fez he again used European artillery, which he had also used in the Fall of Agadir in 1541.He then provided an army to his son, who was able to conquer Tlemcen in 1549, and throw out the Zayyanid Sultan of Tlemcen.