A wiper device for cleaning a vehicle window is disclosed. The wiper device has a wiper arm fastened in a torque-proof manner to a wiper shaft via an articulation piece, where the wiper arm is arranged pivotably on the articulation piece, a wiper blade arranged on the wiper arm, and a washing device for the wiper blade, which contains a feed for a washing fluid, where the feed runs in a partial region in the longitudinal axis of the wiper shaft and leads to the wiper blade in a direction running substantially perpendicularly to the longitudinal axis.