diff --git a/boards/hex/cube-yellow/init/rc.board_defaults b/boards/hex/cube-yellow/init/rc.board_defaults
index a8dfeed405..e8dca05fc1 100644
--- a/boards/hex/cube-yellow/init/rc.board_defaults
+++ b/boards/hex/cube-yellow/init/rc.board_defaults
@@ -14,8 +14,8 @@ then
 	param set BAT1_A_PER_V 17
 	param set BAT2_A_PER_V 17
 
-	# Disable IMU thermal control by FMU
-	param set SENS_EN_THERMAL -1
+	# Disable IMU thermal control
+	param set SENS_EN_THERMAL 0
 fi
 
 set LOGGER_BUF 64