 In his second season with the team, Aminu won the a treble - the 2012 French Leaders Cup, the 2012 French Cup and the 2012 French League Championship titles with Chalon.In 54 games played during the 2011–12 season, he averaged 11.9 points, 6.7 rebounds and 1 steals per game.On August 24, 2012, Aminu signed with the Turkish team Pınar Karşıyaka for the 2012–13 season.