diff --git a/firmware/firmware.ino b/firmware/firmware.ino
index 1478ccb..2595ce4 100644
--- a/firmware/firmware.ino
+++ b/firmware/firmware.ino
@@ -159,7 +159,7 @@ void wifiConnectionCheck()
 #ifdef USE_WIFIMANAGER
 
   // Establish WiFi connection
-  String wifiName = "oko-weather-" + DEVICE_NAME;
+  const String wifiName = "oko-weather-" + DEVICE_NAME;
 
   wifiManager.setMinimumSignalQuality(WIFI_MINIMUM_SIGNAL_QUALITY);
   // the time in seconds to wait for the known wifi connection
@@ -356,7 +356,6 @@ void _loop()
   delay(100);
 
 #ifdef INFLUXDB_FEATURE
-
   for (uint8_t i = 0; i < 5 and validData == false; i++)
   {
     if (currentSensorData[i] != 0)