diff --git a/devicetypes/smartthings/aeon-siren.src/aeon-siren.groovy b/devicetypes/smartthings/aeon-siren.src/aeon-siren.groovy
index 1015a9b..3eb9770 100644
--- a/devicetypes/smartthings/aeon-siren.src/aeon-siren.groovy
+++ b/devicetypes/smartthings/aeon-siren.src/aeon-siren.groovy
@@ -16,7 +16,7 @@
  *	Date: 2014-07-15
  */
 metadata {
- definition (name: "Aeon Siren", namespace: "smartthings", author: "SmartThings") {
+ definition (name: "Aeon Siren", namespace: "smartthings", author: "SmartThings", ocfDeviceType: "x.com.st.d.sensor.smoke") {
 	capability "Actuator"
 	capability "Alarm"
 	capability "Switch"