diff --git a/examples/s6.run b/examples/s6.run
index cbb02b8..538b8ca 100755
--- a/examples/s6.run
+++ b/examples/s6.run
@@ -1,6 +1,8 @@
 #!/bin/execlineb -P
 fdmove -c 2 1
-backtick OLDEXTIP { cat /etc/firewall/tmp/OLDEXTIP }
+backtick OLDEXTIP { cat /etc/ndhc/LEASE-wan0 }
 importas OLDEXTIP OLDEXTIP
-/sbin/ndhc -c /etc/ndhc/wan0.conf -r $OLDEXTIP
+ifelse { eltest -n $OLDEXTIP }
+{ /sbin/ndhc -c /etc/ndhc/wan0.conf -r $OLDEXTIP }
+/sbin/ndhc -c /etc/ndhc/wan0.conf