diff --git a/tests/addconfigureddevice.sh b/tests/addconfigureddevice.sh
index 48092f10..bd322b92 100755
--- a/tests/addconfigureddevice.sh
+++ b/tests/addconfigureddevice.sh
@@ -1,4 +1,8 @@
 #!/bin/bash
 
 # Creates a Mumbi remote
-(echo '{"id":1, "method":"Devices.AddConfiguredDevice", "params":{"deviceClass": "{d85c1ef4-197c-4053-8e40-707aa671d302}", "deviceParams":{"channel1":"false", "channel2":"false", "channel3":"false", "channel4": "false", "channel5":"false" }}}'; sleep 1) | nc 10.10.10.114 1234
+if [ -z $1 ]; then
+  echo "usage $0 host"
+else
+  (echo '{"id":1, "method":"Devices.AddConfiguredDevice", "params":{"deviceClass": "{d85c1ef4-197c-4053-8e40-707aa671d302}", "deviceParams":{"channel1":"false", "channel2":"false", "channel3":"false", "channel4": "false", "channel5":"false" }}}'; sleep 1) | nc $1 1234
+fi