Dirar made his Westerlo debut in the opening match of the 2006–07 season, appearing as a late substitute for Patrick Ogunsoto in a 2–1 loss against Roeselare. He scored his first Westerlo goal on 21 October in the sixth round of the Belgium Cup, a 1–0 win over Zaventem. He provided two assists in a 2–1 win over Mons on 10 February 2007, and did so again in a 4–2 win over Zulte Waregem on 21 April. In the last match of the season, Dirar scored his first Westerlo goal in the Belgian First Division, in a 1–1 draw against Gent. He finished the 2006–07 season with 2 goals from 35 appearances in all competitions.