diff --git a/ArduSub/GCS_Mavlink.cpp b/ArduSub/GCS_Mavlink.cpp
index f8d74f1dcf..9bb2f0a471 100644
--- a/ArduSub/GCS_Mavlink.cpp
+++ b/ArduSub/GCS_Mavlink.cpp
@@ -568,6 +568,7 @@ static const ap_message STREAM_EXTRA3_msgs[] = {
     MSG_HWSTATUS,
     MSG_SYSTEM_TIME,
     MSG_RANGEFINDER,
+    MSG_DISTANCE_SENSOR,
 #if AP_TERRAIN_AVAILABLE && AC_TERRAIN
     MSG_TERRAIN,
 #endif