Ahead of the 2007–08 season, Matmour signed a contract extension with SC Freiburg, keeping him until 2010. At the start of the season, he remained in the first team regular for the side, rotating in playing either midfield positions and striker position. Matmour’s first goal of the season came on 26 September 2007 against 1. FC Köln and setting up the club’s second goal of the game, in a 3–1 win. A month later, he added two more goals for SC Freiburg, coming against FC St. Pauli and Hamburger SV. Shortly after, Matmour suffered a thigh injury that saw him missed one match. But he made his return to the starting line–up against 1860 Munich on 25 November 2007 and helped SC Freiburg drew 2–2. Following his return from injury, Matmour regained his first team place for the rest of the season despite facing another sideline along the way. His fourth goal of the season came on 17 February 2008 against FC Augsburg and scored the only goal of the game, in a 1–0 win. He later scored two more goals later in the 2007–08 season, coming against 1860 Munich and Borussia Mönchengladbach. At the end of the 2007–08 season, Matmour went on to make 34 appearances and scoring 6 times in all competitions, as the club finished fifth place. By the time of his departure, he made 79 league appearances in three seasons in the 2. Bundesliga.