diff --git a/src/MqttHandleHass.cpp b/src/MqttHandleHass.cpp
index 0f5c293..4f1e08a 100644
--- a/src/MqttHandleHass.cpp
+++ b/src/MqttHandleHass.cpp
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022-2023 Thomas Basler and others
+ * Copyright (C) 2022-2024 Thomas Basler and others
  */
 #include "MqttHandleHass.h"
 #include "MqttHandleInverter.h"
@@ -421,5 +421,5 @@ void MqttHandleHassClass::publish(const String& subtopic, const String& payload)
 {
     String topic = Configuration.get().Mqtt.Hass.Topic;
     topic += subtopic;
-    MqttSettings.publishGeneric(topic.c_str(), payload.c_str(), Configuration.get().Mqtt.Hass.Retain);
-}
\ No newline at end of file
+    MqttSettings.publishGeneric(topic, payload, Configuration.get().Mqtt.Hass.Retain);
+}
diff --git a/src/MqttHandleInverter.cpp b/src/MqttHandleInverter.cpp
index 8812109..761b0e0 100644
--- a/src/MqttHandleInverter.cpp
+++ b/src/MqttHandleInverter.cpp
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022-2023 Thomas Basler and others
+ * Copyright (C) 2022-2024 Thomas Basler and others
  */
 #include "MqttHandleInverter.h"
 #include "MessageOutput.h"
@@ -28,12 +28,12 @@ void MqttHandleInverterClass::init(Scheduler& scheduler)
     using std::placeholders::_6;
 
     const String topic = MqttSettings.getPrefix();
-    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_LIMIT_PERSISTENT_RELATIVE).c_str(), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
-    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_LIMIT_PERSISTENT_ABSOLUTE).c_str(), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
-    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_LIMIT_NONPERSISTENT_RELATIVE).c_str(), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
-    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_LIMIT_NONPERSISTENT_ABSOLUTE).c_str(), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
-    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_POWER).c_str(), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
-    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_RESTART).c_str(), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
+    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_LIMIT_PERSISTENT_RELATIVE), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
+    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_LIMIT_PERSISTENT_ABSOLUTE), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
+    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_LIMIT_NONPERSISTENT_RELATIVE), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
+    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_LIMIT_NONPERSISTENT_ABSOLUTE), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
+    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_POWER), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
+    MqttSettings.subscribe(String(topic + "+/cmd/" + TOPIC_SUB_RESTART), 0, std::bind(&MqttHandleInverterClass::onMqttMessage, this, _1, _2, _3, _4, _5, _6));
 
     scheduler.addTask(_loopTask);
     _loopTask.setCallback(std::bind(&MqttHandleInverterClass::loop, this));
@@ -246,4 +246,4 @@ void MqttHandleInverterClass::onMqttMessage(const espMqttClientTypes::MessagePro
             MessageOutput.println("Ignored because retained");
         }
     }
-}
\ No newline at end of file
+}