--- a/server/sipwitch.service
+++ b/server/sipwitch.service
@@ -8,7 +8,7 @@
 EnvironmentFile=-/etc/sysconfig/sipwitch
 EnvironmentFile=-/etc/default/sipwitch
 ExecStartPre=-/bin/rm -f /var/run/sipwitch/control
-ExecStart=/usr/sbin/sipw $OPTIONS
+ExecStart=/usr/sbin/sipw ${OPTIONS:--b}
 ExecStop=/bin/bash -c 'echo down > /var/run/sipwitch/control'
 ExecStopPost=sleep 3
 Restart=always