diff --git a/firmware/firmware.ino b/firmware/firmware.ino
old mode 100644
new mode 100755
index 0cb005e..ff52e6a
--- a/firmware/firmware.ino
+++ b/firmware/firmware.ino
@@ -85,7 +85,7 @@ void setup() {
 
 #ifdef SENSOR_APDS9960
   if (sensor_apds9960_begin()) {
-    sensors[SENSOR_LIGHT] = &apds9930_light;
+    sensors[SENSOR_LIGHT] = &apds9960_light;
   }
 #endif
 
@@ -232,4 +232,4 @@ void logToSerial(float sensorValues[]) {
   Serial.println("Bat Voltage: " + String(sensorValues[SENSOR_BAT_VOLTAGE]) + " V");
   Serial.println("Bat charge state: " + String(sensorValues[SENSOR_BATCHARGESTATE]));
   Serial.println("Energy saving: " + String(sensorValues[SENSOR_ESAVEMODE]));
-}
+}
diff --git a/firmware/sensor_apds9930.ino b/firmware/sensor_apds9930.ino
old mode 100644
new mode 100755
index 0917dd5..9a81c36
--- a/firmware/sensor_apds9930.ino
+++ b/firmware/sensor_apds9930.ino
@@ -20,4 +20,4 @@ float apds9930_light() {
   } else {
     return 0;
   }
-}
+}
diff --git a/firmware/sensor_battery.ino b/firmware/sensor_battery.ino
old mode 100644
new mode 100755
index 593be35..5d41d81
--- a/firmware/sensor_battery.ino
+++ b/firmware/sensor_battery.ino
@@ -1,4 +1,4 @@
-float _sensor_battery_saveMode = nan("no battery");
+float _sensor_battery_saveMode = ENERGY_SAVE_MODE_DISABLED;
 uint16_t energySavingIterations = 0;
 
 // Copied from https://arduinodiy.wordpress.com/2016/12/25/monitoring-lipo-battery-voltage-with-wemos-d1-minibattery-shield-and-thingspeak/
@@ -45,4 +45,4 @@ int energySavingMode() {
 
 float isEnergySavingMode() {
   return _sensor_battery_saveMode;
-}
+}
diff --git a/firmware/sensor_bme280.ino b/firmware/sensor_bme280.ino
old mode 100644
new mode 100755
index f288ead..5510f79
--- a/firmware/sensor_bme280.ino
+++ b/firmware/sensor_bme280.ino
@@ -6,7 +6,7 @@ Adafruit_BME280 _sensor_bme280;
 bool sensor_bme280_begin(uint8_t addr) {
   bool status = _sensor_bme280.begin(addr);
   if (status) {
-    debug("BME280 Connected!");
+    debug("BME280 Connected");
   } else {
     debug("Could not find a valid BME280 sensor, check wiring!");
   }
@@ -21,4 +21,4 @@ float bme280_pressure() {
 }
 float bme280_humidity() {
   return _sensor_bme280.readHumidity() * HUMIDITY_FACTOR;
-}
+}