diff --git a/esp32/platformio.ini b/esp32/platformio.ini
index 18d1a86..1acddd6 100644
--- a/esp32/platformio.ini
+++ b/esp32/platformio.ini
@@ -18,4 +18,3 @@ build_flags = -DPIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY
 lib_deps = ArduinoJson@6.16.1
             https://github.com/homieiot/homie-esp8266.git#v3.0
             OneWire
-
diff --git a/esp32/src/main.cpp b/esp32/src/main.cpp
index 33fd773..979ee4c 100644
--- a/esp32/src/main.cpp
+++ b/esp32/src/main.cpp
@@ -311,15 +311,16 @@ void readSensors() {
 //Homie.getMqttClient().disconnect();
 
 void onHomieEvent(const HomieEvent& event) {
+  const String OFF = String("OFF");
   switch(event.type) {
     case HomieEventType::MQTT_READY:
-      plant0.setProperty("switch").send(String("OFF"));            
-      plant1.setProperty("switch").send(String("OFF"));            
-      plant2.setProperty("switch").send(String("OFF"));
-      plant3.setProperty("switch").send(String("OFF"));            
-      plant4.setProperty("switch").send(String("OFF"));
-      plant5.setProperty("switch").send(String("OFF"));
-      plant6.setProperty("switch").send(String("OFF"));
+      plant0.setProperty("switch").send(OFF);            
+      plant1.setProperty("switch").send(OFF);            
+      plant2.setProperty("switch").send(OFF);
+      plant3.setProperty("switch").send(OFF);            
+      plant4.setProperty("switch").send(OFF);
+      plant5.setProperty("switch").send(OFF);
+      plant6.setProperty("switch").send(OFF);
 
       //wait for rtc sync?
       rtcDeepSleepTime = deepSleepTime.get();