diff --git a/examples/solar-monitoring.py b/examples/solar-monitoring.py
index c406ccf..e370e1e 100644
--- a/examples/solar-monitoring.py
+++ b/examples/solar-monitoring.py
@@ -24,6 +24,7 @@ logging.basicConfig(level=logging.DEBUG)
 #mqtt_password = '3355' # MQTT client password
 client_id = 'solarmonitor'  # unique client_id
 mqtt_broker = "openwb-2"  # broker address, usually your HASS IP address
+port = 1883
 
 #set topics
 topic_house_battery_soc = "openWB/bat/get/soc"
@@ -48,7 +49,7 @@ def connect_mqtt():
     client = mqtt_client.Client(client_id)
     # client.username_pw_set(username, password)
     client.on_connect = on_connect
-    client.connect(broker, port)
+    client.connect(mqtt_broker, port)
     return client