diff --git a/conf/autopilot/booz2_test_progs.makefile b/conf/autopilot/booz2_test_progs.makefile
index 401d0262fc..d95f6c5659 100644
--- a/conf/autopilot/booz2_test_progs.makefile
+++ b/conf/autopilot/booz2_test_progs.makefile
@@ -135,7 +135,7 @@ test_usb.ARCH = arm7tdmi
 test_usb.TARGET = test_usb
 test_usb.TARGETDIR = test_usb
 
-test_usb.CFLAGS += -DBOARD_CONFIG=\"booz2_board_usb.h\" $(BOOZ_CFLAGS)
+test_usb.CFLAGS += -DBOARD_CONFIG=$(BOARD_CFG) $(BOOZ_CFLAGS)
 test_usb.srcs += $(SRC_BOOZ_TEST)/booz2_test_usb.c
 test_usb.CFLAGS += -DPERIODIC_TASK_PERIOD='SYS_TICS_OF_SEC((1./512.))'
 # -DTIME_LED=1
diff --git a/sw/airborne/booz/booz2_telemetry.h b/sw/airborne/booz/booz2_telemetry.h
index 046e40b376..271443f18e 100644
--- a/sw/airborne/booz/booz2_telemetry.h
+++ b/sw/airborne/booz/booz2_telemetry.h
@@ -56,7 +56,7 @@ extern uint8_t telemetry_mode_Main_DefaultChannel;
     uint8_t _twi_blmc_nb_err = 0;					\
     DOWNLINK_SEND_BOOZ_STATUS(_chan,					\
 			      &booz_imu_nb_err,				\
-			      &_twi_blmc_nb_err,				\
+			      &_twi_blmc_nb_err,			\
 			      &radio_control.status,			\
 			      &booz_gps_state.fix,			\
 			      &booz2_autopilot_mode,			\
diff --git a/sw/airborne/booz/test/booz2_test_usb.c b/sw/airborne/booz/test/booz2_test_usb.c
index ffcc883e0e..af5a86d652 100644
--- a/sw/airborne/booz/test/booz2_test_usb.c
+++ b/sw/airborne/booz/test/booz2_test_usb.c
@@ -28,7 +28,6 @@
 #include "sys_time.h"
 #include "led.h"
 
-//#include "uart.h"
 #include "usb_serial.h"
 
 #include "messages.h"
@@ -56,7 +55,6 @@ static inline void main_init( void ) {
   sys_time_init();
   led_init();
 
-  //uart1_init_tx();
   VCOM_init();
 
   int_enable();
@@ -65,7 +63,7 @@ static inline void main_init( void ) {
 static inline void main_periodic_task( void ) {
   RunOnceEvery(10, {
       LED_TOGGLE(1);
-      DOWNLINK_SEND_ALIVE(16, MD5SUM);
+      DOWNLINK_SEND_ALIVE(PprzTransport,16, MD5SUM);
     });
 }