Ahead of the 2008–-09 season, his performance from last season sparked interests of Portuguese side Porto, who were keen on signing him. The transfer speculation ended when Bahia signed a contract with the club, keeping him until 2012. It was later confirmed in November 2012. Bahia started the season well when he scored the opening goal of the season, in a 3–1 loss against Heracles Almelo. Then, on 28 September 2008, he scored his second goal of the season, in a 3–1 loss against FC Groningen. Since the start of the season, Bahia continued to regain his first team place for the side. Despite being sidelined on three occasions later in the season, At the end of the 2008–09 season, Bahia went on to make 42 appearances and scoring two times in all competitions.