--- b/etc/rc.d/jail     Tue Sep 18 23:16:32 2012 +0100	
+++ b/etc/rc.d/jail     Tue Sep 18 23:16:32 2012 +0100	
@@ -641,9 +641,17 @@ 
                        i=$((i + 1))
                done
-               eval ${_setfib} jail -n ${_jail} ${_flags} -i ${_rootdir} ${_hostname} \
-                       \"${_addrl}\" ${_exec_start} > ${_tmp_jail} 2>&1 \
-                       </dev/null
+
+               if [ -n "${_addrl}" ]
+               then
+                       eval ${_setfib} jail -i -cm ${_flags} path=\"${_rootdir}\" host.hostname=\"${_hostname}\" name=\"${_jail}\" \
+                               ip4.addr=\"${_addrl}\" command=${_exec_start} > ${_tmp_jail} 2>&1 \
+                               </dev/null
+               else
+                       eval ${_setfib} jail -i -cm ${_flags} path=\"${_rootdir}\" host.hostname=\"${_hostname}\" name=\"${_jail}\" \
+                                command=${_exec_start} > ${_tmp_jail} 2>&1 \
+                                </dev/null
+               fi
                if [ "$?" -eq 0 ] ; then
                        _jail_id=$(head -1 ${_tmp_jail})