diff --git a/smartapps/smartthings/hue-connect.src/hue-connect.groovy b/smartapps/smartthings/hue-connect.src/hue-connect.groovy
index b8d3f54..048390f 100644
--- a/smartapps/smartthings/hue-connect.src/hue-connect.groovy
+++ b/smartapps/smartthings/hue-connect.src/hue-connect.groovy
@@ -455,7 +455,7 @@ def locationHandler(evt) {
 					log.error "/description.xml returned a bridge that didn't exist"
 				}
 			}
-		} else if(headerString?.contains("json")) {
+		} else if(headerString?.contains("json") && isValidSource(parsedEvent.mac)) {
             log.trace "description.xml response (application/json)"
 			def body = new groovy.json.JsonSlurper().parseText(parsedEvent.body)
 			if (body.success != null) {
@@ -494,6 +494,11 @@ def doDeviceSync(){
 	discoverBridges()
 }
 
+def isValidSource(macAddress) {
+	def vbridges = getVerifiedHueBridges()
+	return (vbridges?.find {"${it.value.mac}" == macAddress}) != null
+}
+
 /////////////////////////////////////
 //CHILD DEVICE METHODS
 /////////////////////////////////////