Industrial truck having a fork and a fork arm camera and method for operating such an industrial truck

An industrial truck (2) and a method for operating an industrial truck (2). The industrial truck (2) includes an assistance system and a fork (4) having at least two fork arms (61, 62). The assistance system includes at least one fork arm camera (8, 8′), a monitor, and a processing unit (10). The fork arm camera (8, 8′) is disposed on the fork (4) such that at least part of a tip (71, 72) of at least one of the two fork arms (61, 62) is present in the field of view of the fork arm camera (8, 8′). The processing unit (10) is set up for capturing at least one tip (71, 72) of the at least one fork arm (61, 62) in the image data, for calculating at least one marking (18) indicating the position of the fork (4), and for reproducing on the monitor the image data captured by the fork arm camera (8, 8′) and superimposed with the marking (18).