diff --git a/ArduCopter/GCS_Mavlink.cpp b/ArduCopter/GCS_Mavlink.cpp
index 78ad65f58c..73e5b7e0a0 100644
--- a/ArduCopter/GCS_Mavlink.cpp
+++ b/ArduCopter/GCS_Mavlink.cpp
@@ -543,7 +543,8 @@ static const ap_message STREAM_PARAMS_msgs[] = {
     MSG_NEXT_PARAM
 };
 static const ap_message STREAM_ADSB_msgs[] = {
-    MSG_ADSB_VEHICLE
+    MSG_ADSB_VEHICLE,
+    MSG_AIS_VESSEL,
 };
 
 const struct GCS_MAVLINK::stream_entries GCS_MAVLINK::all_stream_entries[] = {