Here is the change
http://cvs.openacs.org/cvs/openacs-4/packages/acs-tcl/tcl/membership-rel-procs.tcl?r1=1.6.2.1&r2=1.6.2.2
It is in OpenACS 5.2 which has been delayed, but hopefully will be released very soon. Its a one line change you could make in your install.
