I don't have the link handy but there is a thread discussing this issue where you can find a fix (courtesy of Ralph).
Do a search for C4D topics involving Ralph or myself .. should be near the top of the results.
cheers,
Owen Sharp
Design Technology Manager
fjmt | francis-jones morehen thorp
iMac 27" i7 2.93Ghz | 32GB RAM | OS 10.10 | Since AC5