diff --git a/libraries/GCS_MAVLink/GCS.h b/libraries/GCS_MAVLink/GCS.h
index b28acebb68..7cc8437b20 100644
--- a/libraries/GCS_MAVLink/GCS.h
+++ b/libraries/GCS_MAVLink/GCS.h
@@ -47,8 +47,8 @@ enum ap_message : uint8_t {
     MSG_SERVO_OUTPUT_RAW,
     MSG_RADIO_IN,
     MSG_RAW_IMU1,
-    MSG_RAW_IMU2,
-    MSG_RAW_IMU3,
+    MSG_SCALED_PRESSURE,
+    MSG_SENSOR_OFFSETS,
     MSG_GPS_RAW,
     MSG_GPS_RTK,
     MSG_GPS2_RAW,
diff --git a/libraries/GCS_MAVLink/GCS_Common.cpp b/libraries/GCS_MAVLink/GCS_Common.cpp
index fff1090aeb..336516dcbc 100644
--- a/libraries/GCS_MAVLink/GCS_Common.cpp
+++ b/libraries/GCS_MAVLink/GCS_Common.cpp
@@ -3234,12 +3234,12 @@ bool GCS_MAVLINK::try_send_message(const enum ap_message id)
         send_raw_imu();
         break;
 
-    case MSG_RAW_IMU2:
+    case MSG_SCALED_PRESSURE:
         CHECK_PAYLOAD_SIZE(SCALED_PRESSURE);
         send_scaled_pressure();
         break;
 
-    case MSG_RAW_IMU3:
+    case MSG_SENSOR_OFFSETS:
         CHECK_PAYLOAD_SIZE(SENSOR_OFFSETS);
         send_sensor_offsets();
         break;