diff --git a/src/MqttConfig.h b/src/MqttConfig.h
index 37f178a..6fd27b2 100644
--- a/src/MqttConfig.h
+++ b/src/MqttConfig.h
@@ -6,8 +6,7 @@
 #define JSON_MQTT_CLIENT_NAME "mqttClientName"
 #define JSON_MQTT_BROKER_HOST "mqttBrokerHost"
 #define JSON_MQTT_BROKER_PORT "mqttBrokerPort"
-#define JSON_MQTT_TOPIC_ROOT "mqttTopicRoot"
-#define JSON_MQTT_OUT_TOPIC_ROOT "mqttOutTopicRoot"
+#define JSON_MQTT_TOPIC_ROOT "mqttRootTopic"
 
 struct MqttConfig
 {