In the case of a guide profile (6) for use in a conveyor floor, the conveyor floor having a conveyor rail carrying conveyor elements, and the conveyor rail being mounted on the guide profile (6) in a longitudinally movable manner, and the conveyor floor having a floor (10) with which the guide profile ( 6) is screwed and the screw connection on the underside of the base (10) is accessible, the invention proposes that a separate element is secured against rotation within the guide profile (6), which element receives a screw (19) or a nut of the screw connection. The invention also proposes a conveyor floor with a correspondingly designed guide profile (6).
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