diff --git a/sw/airborne/booz/booz2_analog_baro.c b/sw/airborne/booz/booz2_analog_baro.c
index 79858eaff2..0dfbd62754 100644
--- a/sw/airborne/booz/booz2_analog_baro.c
+++ b/sw/airborne/booz/booz2_analog_baro.c
@@ -59,7 +59,7 @@ void booz2_analog_baro_init( void ) {
 
 /* decrement offset until adc reading is over a threshold */
 void booz2_analog_baro_calibrate(void) {
-  if (booz2_analog_baro_value_filtered < 850 && booz2_analog_baro_offset >= 1) {
+  if (booz2_analog_baro_value_filtered < BOOZ_ANALOG_BARO_THRESHOLD && booz2_analog_baro_offset >= 1) {
     if (booz2_analog_baro_value_filtered == 0)
       booz2_analog_baro_offset -= 15;
     else