He went on to direct a feature film, the romantic comedy Janji Joni (Joni's Promise) (2005), which he wrote when he was in college in 1998.
Joko lalu menyutradarai film pertamanya, sebuah komedi romantis berjudul Janji Joni (Joni's Promise) (2005), yang dia tulis saat dia masih duduk di bangku kuliah pada tahun 1998.