diff --git a/mqtt_client.py b/mqtt_client.py
index 4aa3c32..e132ca8 100755
--- a/mqtt_client.py
+++ b/mqtt_client.py
@@ -33,7 +33,7 @@ class MqttClient:
             }
         )
 
-        self.client.publish(self.MQTT_DISCOVERY_TOPIC, payload=j, qos=0, retain=False)
+        self.client.publish(self.MQTT_DISCOVERY_TOPIC, payload=j, qos=0, retain=True)
 
     def on_connect(self, client, userdata, flags, reason_code, properties):
         print(f"Connected: {reason_code}")