diff --git a/sw/simulator/nps/nps_autopilot_rotorcraft.c b/sw/simulator/nps/nps_autopilot_rotorcraft.c
index 51ae195d95..52903850ed 100644
--- a/sw/simulator/nps/nps_autopilot_rotorcraft.c
+++ b/sw/simulator/nps/nps_autopilot_rotorcraft.c
@@ -39,7 +39,7 @@ struct NpsAutopilot autopilot;
 bool_t nps_bypass_ahrs;
 
 #ifndef NPS_BYPASS_AHRS
-#define NPS_BYPASS_AHRS TRUE
+#define NPS_BYPASS_AHRS FALSE
 #endif