--- config/PostSession.orig	Wed Dec  4 14:05:13 2002
+++ config/PostSession	Wed Dec  4 14:05:34 2002
@@ -2,7 +2,7 @@
 
 PATH=/usr/bin/X11:/usr/X11R6/bin:/opt/X11R6/bin:$PATH
 
-if command -v sessreg > /dev/null 2>&1; then
+if /usr/bin/which -s sessreg > /dev/null 2>&1; then
 	sessreg -d -w /var/log/wtmp -u /var/run/utmp -x "$X_SERVERS" -h "$REMOTE_HOST" -l $DISPLAY $USER
 fi
 exit 0