A control system (210) is provided for an agricultural harvester (200), the agricultural harvester (200) having an agricultural harvesting vehicle (202) and a harvesting head (204) mounted thereon, the harvesting head (204) further comprising a left side endless belt conveyor (214) driven by a left conveyor motor (312), a right side endless belt conveyor (218) driven by a right conveyor motor (310) and a center endless belt conveyor (220) driven by a center conveyor motor (314), the control system (210) comprising an electronic controller (300) configured to receive an electronic signal indicative of a roll angle of the harvesting head (204), and to electronically change a relative speed of at least one of the right conveyor motor (310) and the left conveyor motor (312) based at least upon the electronic signal indicative of a roll angle of the harvesting head (204).
