diff --git a/mqtt/tempSensor.py b/mqtt/tempSensor.py
index 393c09c..c5765ff 100644
--- a/mqtt/tempSensor.py
+++ b/mqtt/tempSensor.py
@@ -31,7 +31,7 @@ sensor = adafruit_dht.DHT11(board.D20)
 #     client.on_connect = on_connect
 #     client.connect(broker, port)
 def connect_mqtt():
-    def on_connect(client, rc):
+    def on_connect(client, userdata, flags, rc):
         if rc == 0:
             print("Connected to MQTT Broker!")
         else: