diff --git a/Tools/autotest/sim_arducopter_randy.sh b/Tools/autotest/sim_arducopter_randy.sh
index 950a65407f..788f1bb914 100644
--- a/Tools/autotest/sim_arducopter_randy.sh
+++ b/Tools/autotest/sim_arducopter_randy.sh
@@ -25,4 +25,4 @@ rm -f $tfile
 gnome-terminal -e "../Tools/autotest/pysim/sim_multicopter.py --frame=$frame --home=-35.362938,149.165085,584,270"
 sleep 2
 popd
-mavproxy.py --master tcp:127.0.0.1:5760 --sitl 127.0.0.1:5501 --out 127.0.0.1:14550 --out 127.0.0.1:14551 --out 192.168.1.12:14550 --console --map --aircraft test --quadcopter $*
+mavproxy.py --master tcp:127.0.0.1:5760 --sitl 127.0.0.1:5501 --out 127.0.0.1:14550 --out 127.0.0.1:14551 --out 192.168.1.13:14550 --console --map --aircraft test --quadcopter $*