 After retiring from playing the game, Novoselac established a notable career coaching and developing youth football in Croatia.For a long while, Novoselac coached the Croatia national under-21 football team, guiding them to such tournaments as the 1999 FIFA World Youth Championship and the 2004 UEFA European Under-21 Football Championship.Achieving significant success, Novoselac was even considered for the Croatia National Team job in 2004.