diff --git a/src/main.cpp b/src/main.cpp
index 153e894..f5ba5f6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -222,7 +222,7 @@ void reconnect() {
     if (mqttClient.connect("doorBellGW", mqttUser, mqttPassword, lwtTopic, lwtQos, lwtRetain, lwtMessage)) {
       Serial.println(F("connected"));
       // Once connected, publish an announcement...
-      mqttClient.publish_P(lwtTopic, onlineMessage, lwtRetain);
+      mqttClient.publish(lwtTopic, onlineMessage, lwtRetain);
       // mqttClient.publish("hello","hello world");
       // ... and resubscribe
       Serial.println(F("MQTT subscribe doorbell"));
@@ -247,7 +247,7 @@ void reconnect() {
 
 void sendMqttMessage(const char *topic, const char *message) {
   reconnect();
-  mqttClient.publish_P(topic, message, true);
+  mqttClient.publish(topic, message, true);
 }
 
 void setup()