diff --git a/shellyteacher4domo.py b/shellyteacher4domo.py
index db10802..15c99fd 100755
--- a/shellyteacher4domo.py
+++ b/shellyteacher4domo.py
@@ -10,6 +10,9 @@
 class MQTTClient(mqtt.Client): # Gen1 detailed infos and Gen2 alive
  subscribechannel = ""
 
+ def _on_pre_connect(self, func):
+     pass
+
  def on_connect(self, client, userdata, flags, rc):
   try:
    self.subscribe(self.subscribechannel,0)
@@ -55,6 +58,9 @@ def on_message(self, mqttc, obj, msg):
 class MQTTClientOnlineCheck(mqtt.Client): #Gen2 hack to get some infos...
  subscribechannel = ""
 
+ def _on_pre_connect(self, func):
+     pass
+
  def on_connect(self, client, userdata, flags, rc):
   try:
    self.subscribe(self.subscribechannel,0)