Okaka was subsequently loaned to Serie B side Modena for the 2007–08 season in order to gain some first team experience. He scored seven times in 33 appearances. After returning to Roma, he signed a new contract which lasted until 30 June 2012. As a part of it, he earned a gross annual salary of €600,000 in the first two seasons, which then increased to €700,000 and €900,000. He also spent a six-month loan period at Brescia in Serie B from January to June 2009, where he scored two goals in 16 appearances.