diff --git a/sw/airborne/firmwares/fixedwing/guidance/guidance_v_n.c b/sw/airborne/firmwares/fixedwing/guidance/guidance_v_n.c
index 7bbcd6d54b3..33cbb6e4946 100644
--- a/sw/airborne/firmwares/fixedwing/guidance/guidance_v_n.c
+++ b/sw/airborne/firmwares/fixedwing/guidance/guidance_v_n.c
@@ -88,7 +88,9 @@ pprz_t v_ctl_throttle_slewed;
 float v_ctl_pitch_setpoint;
 
 // Set higher than 2*V_CTL_ALTITUDE_MAX_CLIMB to disable
+#ifndef V_CTL_AUTO_CLIMB_LIMIT
 #define V_CTL_AUTO_CLIMB_LIMIT (0.5/4.0) // m/s/s
+#endif
 
 uint8_t v_ctl_speed_mode;