A header (10) for a combine harvester (5) capable of improving the flow of grain from the header (10) to a feeder house (22) and reducing grain buildup about a void proximate an aft section of the header is disclosed. The header (10) includes a chassis (14) and a cross auger (18) or a conveyor (118) extending in a widthwise direction of the chassis (14). The header (10) also includes a feeding mechanism (30) mounted on the chassis (14) proximate a posterior end of the cross auger (18) or the conveyor (118) and within the void of the header (10).