diff --git a/src/main/fc/fc_msp_box.c b/src/main/fc/fc_msp_box.c
index a67b894a93..b1cab92fa8 100644
--- a/src/main/fc/fc_msp_box.c
+++ b/src/main/fc/fc_msp_box.c
@@ -373,6 +373,7 @@ void packBoxModeFlags(boxBitmask_t * mspBoxModeFlags)
     CHECK_ACTIVE_BOX(IS_ENABLED(FLIGHT_MODE(NAV_WP_MODE)),              BOXNAVWP);
     CHECK_ACTIVE_BOX(IS_ENABLED(IS_RC_MODE_ACTIVE(BOXAIRMODE)),         BOXAIRMODE);
     CHECK_ACTIVE_BOX(IS_ENABLED(IS_RC_MODE_ACTIVE(BOXGCSNAV)),          BOXGCSNAV);
+    CHECK_ACTIVE_BOX(IS_ENABLED(FLIGHT_MODE(FLAPERON)),                 BOXFLAPERON);
     CHECK_ACTIVE_BOX(IS_ENABLED(FLIGHT_MODE(TURN_ASSISTANT)),           BOXTURNASSIST);
     CHECK_ACTIVE_BOX(IS_ENABLED(FLIGHT_MODE(NAV_LAUNCH_MODE)),          BOXNAVLAUNCH);
     CHECK_ACTIVE_BOX(IS_ENABLED(FLIGHT_MODE(AUTO_TUNE)),                BOXAUTOTUNE);