Index: si_mkbootserver
===================================================================
--- si_installbtimage	(revision 4255)
+++ si_installbtimage	(working copy)
@@ -107,7 +107,7 @@
     if (m/BT_TRACKER_PORT=([0-9]+)/) {
         $tracker_port = $1;
     } elsif (m/BT_INTERFACE=(.+)/) {
-        ($image_server) = (`/sbin/ifconfig $1`)[1] =~ /inet addr:(\S+)/;
+        ($image_server) = (`/sbin/ifconfig $1`)[1] =~ /inet (?:[^\:]+):(\S+)/;
     }
 }
 unless ($tracker_port) {