diff --git a/examples/mqtt.py b/examples/mqtt.py
index 88a55e4..38e3787 100644
--- a/examples/mqtt.py
+++ b/examples/mqtt.py
@@ -45,6 +45,7 @@ def subscribe(client: mqtt_client):
 
 
 def run():
+    print("test")
     client = connect_mqtt()
     subscribe(client)
     client.loop_forever()