diff --git a/sw/simulator/booz_flight_model_params.h b/sw/simulator/booz_flight_model_params.h
index c30e6b83ce..b9e3d3fb8a 100644
--- a/sw/simulator/booz_flight_model_params.h
+++ b/sw/simulator/booz_flight_model_params.h
@@ -20,9 +20,9 @@
 /* inertia on x axis in kg * m2                    */
 #define Ix .007
 /* inertia on y axis in kg * m2                    */
-#define Iy .0137
+#define Iy .0073
 /* inertia on z axis in kg * m2                    */
-#define Iz .0073
+#define Iz .0137
 /* lenght between centers of vehicle and prop in m */
 #define L  0.25