diff --git a/GPSSpeedMultiCore.ino b/GPSSpeedMultiCore.ino
index fae61cc..a9aeca0 100644
--- a/GPSSpeedMultiCore.ino
+++ b/GPSSpeedMultiCore.ino
@@ -12,6 +12,7 @@
 #define GPS_UPDATE_FREQUENCY 10  //GPS update frequency per sec
 #define DEBOUNCE_DELAY 250       //time in ms
 #define MIDDLE_SCREEN_BRIGHTNESS 5
+#define SUN_ANGLE_ABOVE_HORIZON 2
 //#define PROFILE true 
 
 //GPS
@@ -89,9 +90,9 @@ bool setStartBrightness() {
 
   //el = el - 180;
 
-  if (el > SUNRISESET_STD_ALTITUDE) {
+  if (el > SUN_ANGLE_ABOVE_HORIZON) {
     screenBrightnessCurrent = 15;
-  } else if ((el < SUNRISESET_STD_ALTITUDE) && (el > CIVIL_DAWNDUSK_STD_ALTITUDE)) {
+  } else if ((el < SUN_ANGLE_ABOVE_HORIZON) && (el > CIVIL_DAWNDUSK_STD_ALTITUDE)) {
     screenBrightnessCurrent = MIDDLE_SCREEN_BRIGHTNESS;
   } else if (el < CIVIL_DAWNDUSK_STD_ALTITUDE) {
     screenBrightnessCurrent = 0;