diff --git a/index.js b/index.js
index ba63224..a97aea2 100644
--- a/index.js
+++ b/index.js
@@ -399,7 +399,7 @@ module.exports = function (app) {
     app.debug('using mqtt url %s', url)
     
     var client = mqtt.connect(url, {
-      rejectUnauthorized: true,
+      rejectUnauthorized: false,
       username: '',
       password: options.MQTT.password
     })