the present invention provides a capture plate for preventing rotation between a trailer and a hitch assembly . the hitch assembly mounts on a vehicle , and is preferably a sliding hitch assembly . the capture plate has a lip which mates with the pin box of a fifth wheel trailer , the lip prevents rotation between the trailer and the capture plate . the capture plate has a restriction part which mates with the pin slot on the hitch assembly , the restriction part restricts rotation between the capture plate and the hitch . the capture plate has a fastener which removably secures the capture plate to the pin box .