diff --git a/simulator/start.sh b/simulator/start.sh
index 71bef8f5..f0117a49 100755
--- a/simulator/start.sh
+++ b/simulator/start.sh
@@ -6,6 +6,6 @@ java -jar device-simulator.jar \
   mqtt.enableEvent=true \
   mqtt.eventLimit=1 \
   mqtt.eventRate=1000 \
-  mqtt.scriptFile=./scripts/demo-children-device.js \
+  mqtt.scriptFile=./scripts/demo-device.js \
   mqtt.address=127.0.0.1 \
   mqtt.port=1883
\ No newline at end of file