Following his release from Yeovil, Kalala moved again on a free to League One side Oldham Athletic, signing a two-year contract for the club on 28 June 2007. He made his first team debut for the Latics on 11 August in a 2–1 victory over Swansea City. Three days later, he would score his first goal for the club in a 4–1 victory over Mansfield Town in the League Cup. On 19 January 2008, Kalala returned to Huish Park in a League One clash versus Yeovil Town, his first trip back to his former club. The game ended in a 0–0 draw.