 FC Kaiserslautern, making 37 appearances and scoring 5 times in all competitions.At the start of the 2014–15 season, Matmour scored his first goal of the season and set up one of the goal, in a 2–1 win over Eintracht Braunschweig on 24 August 2014.He continued to regain his first team place in the starting eleven for the side.