diff --git a/conf/airframes/booz2_a1.xml b/conf/airframes/booz2_a1.xml
index 72db7873d9..ea2001e3cc 100644
--- a/conf/airframes/booz2_a1.xml
+++ b/conf/airframes/booz2_a1.xml
@@ -100,18 +100,18 @@
-
-
+
+
-
-
-
-
+
+
+
+
-
-
-
-
+
+
+
+
@@ -131,8 +131,6 @@
-
-
diff --git a/conf/autopilot/booz2_simulator_nps.makefile b/conf/autopilot/booz2_simulator_nps.makefile
index a83b8ad740..b85e5a14db 100644
--- a/conf/autopilot/booz2_simulator_nps.makefile
+++ b/conf/autopilot/booz2_simulator_nps.makefile
@@ -93,8 +93,10 @@ sim.srcs += $(SRC_BOOZ)/ahrs/booz2_filter_attitude_cmpl_euler.c
sim.srcs += $(SRC_BOOZ)/booz_stabilization.c
sim.srcs += $(SRC_BOOZ)/stabilization/booz_stabilization_rate.c
-#sim.CFLAGS += -DSTABILISATION_ATTITUDE_TYPE_H=\"stabilization/booz_stabilization_attitude_euler.h\"
+
+sim.CFLAGS += -DSTABILISATION_ATTITUDE_TYPE_H=\"stabilization/booz_stabilization_attitude_euler.h\"
sim.srcs += $(SRC_BOOZ)/stabilization/booz_stabilization_attitude_euler.c
+
#sim.srcs += $(SRC_BOOZ)/stabilization/booz_stabilization_attitude_quat_float.c
@@ -103,6 +105,7 @@ sim.srcs += $(SRC_BOOZ)/guidance/booz2_guidance_h.c
sim.srcs += $(SRC_BOOZ)/guidance/booz2_guidance_v.c
sim.srcs += math/pprz_geodetic_int.c
sim.srcs += $(SRC_BOOZ)/booz2_ins.c
+
# vertical filter float version
sim.srcs += $(SRC_BOOZ)/ins/booz2_vf_float.c
sim.CFLAGS += -DUSE_VFF -DDT_VFILTER="(1./512.)"
diff --git a/sw/airborne/booz/stabilization/booz_stabilization_attitude_ref_traj_euler.h b/sw/airborne/booz/stabilization/booz_stabilization_attitude_ref_traj_euler.h
index 9718fcfa85..051163ffd0 100644
--- a/sw/airborne/booz/stabilization/booz_stabilization_attitude_ref_traj_euler.h
+++ b/sw/airborne/booz/stabilization/booz_stabilization_attitude_ref_traj_euler.h
@@ -35,14 +35,14 @@ extern struct Int32Vect3 booz_stabilization_accel_ref;
#define F_UPDATE (1<