diff --git a/firmware/config.h b/firmware/config.h
index 1c95309..75f1f61 100755
--- a/firmware/config.h
+++ b/firmware/config.h
@@ -14,6 +14,8 @@
 #define BAT_CHARGE_STATE_CHARGED     2.0
 #define BAT_CHARGE_STATE_CHARGING    1.0
 #define BAT_CHARGE_STATE_NOTCHARGING 0.0
+#define ENERGY_SAVE_MODE_ENABLED     1.0
+#define ENERGY_SAVE_MODE_DISABLED    0.0
 
 #define WIFI_AUTOCONNECT_TIMEOUT_S       120
 #define WIFI_CONFIG_PORTAL_TIMEOUT_S     120
diff --git a/firmware/firmware.ino b/firmware/firmware.ino
index d94591f..615067b 100755
--- a/firmware/firmware.ino
+++ b/firmware/firmware.ino
@@ -214,10 +214,10 @@ void _loop() {
     // Disable expensive tasks
     if (energySavingMode() == 0) {
       currentSensorData[SENSOR_WINDSPEED] = fetchWindspeed();
-      currentSensorData[SENSOR_ESAVEMODE] = 0.0;
+      currentSensorData[SENSOR_ESAVEMODE] = ENERGY_SAVE_MODE_DISABLED;
     } else {
       currentSensorData[SENSOR_WINDSPEED] = 0xFFFFFFFF;
-      currentSensorData[SENSOR_ESAVEMODE] = 1.0;
+      currentSensorData[SENSOR_ESAVEMODE] = ENERGY_SAVE_MODE_ENABLED;
     }
 
 #ifdef DEBUG