The present disclosure relates to an organic field effect transistor, comprising a first electrode (1) and a second electrode (2), the electrodes providing a source electrode and a drain electrode, a gate electrode (6), an electronically active region at least in part made of an organic material and providing a charge a carrier channel, and a gate electrode separation, comprising a doped organic semiconducting layer directly provided on the gate electrode (6), wherein the doped organic semiconducting layer comprises an organic matrix material and an organic dopant. Furthermore, a method for producing an organic field effect transistor is provided.