diff --git a/src/main/io/i2c_bst.c b/src/main/io/i2c_bst.c
index c31fcf3e5a..f45628ca9d 100644
--- a/src/main/io/i2c_bst.c
+++ b/src/main/io/i2c_bst.c
@@ -1705,7 +1705,7 @@ bool writeFCModeToBST(void)
 	       IS_ENABLED(FLIGHT_MODE(HORIZON_MODE)) << 2 |
 	       IS_ENABLED(FLIGHT_MODE(BARO_MODE)) << 3 |
 	       IS_ENABLED(FLIGHT_MODE(MAG_MODE)) << 4 |
-	       IS_ENABLED(FLIGHT_MODE(HEADFREE_MODE)) << 5 |
+	       IS_ENABLED(IS_RC_MODE_ACTIVE(BOXAIRMODE)) << 5 |
 	       IS_ENABLED(FLIGHT_MODE(SONAR_MODE)) << 6 |
 	       IS_ENABLED(FLIGHT_MODE(FAILSAFE_MODE)) << 7;