At the start of the 2011–12 season, he continued to establish himself in the first team, playing at centre-back. Kaboul scored his first goal of the season on 28 August 2011, with a header in a 5–1 loss against Manchester City.
In the early stages of the 2011–12 season, he maintained his role in the first team. Kaboul scored his initial goal on August 28, 2011, with a header during a match against Manchester City that resulted in a 5–1 loss.