diff --git a/Tools/AP_Periph/GCS_MAVLink.cpp b/Tools/AP_Periph/GCS_MAVLink.cpp
index 5502087678..cb454786ac 100644
--- a/Tools/AP_Periph/GCS_MAVLink.cpp
+++ b/Tools/AP_Periph/GCS_MAVLink.cpp
@@ -28,7 +28,9 @@ static const ap_message STREAM_RAW_SENSORS_msgs[] = {
 static const ap_message STREAM_EXTENDED_STATUS_msgs[] = {
     MSG_SYS_STATUS,
     MSG_POWER_STATUS,
+#if HAL_WITH_MCU_MONITORING
     MSG_MCU_STATUS,
+#endif
     MSG_MEMINFO,
     MSG_GPS_RAW,
     MSG_GPS_RTK,