diff --git a/libraries/GCS_MAVLink/GCS_serial_control.cpp b/libraries/GCS_MAVLink/GCS_serial_control.cpp
index a23631c706..d811e9747e 100644
--- a/libraries/GCS_MAVLink/GCS_serial_control.cpp
+++ b/libraries/GCS_MAVLink/GCS_serial_control.cpp
@@ -75,6 +75,11 @@ void GCS_MAVLINK::handle_serial_control(const mavlink_message_t &msg)
             return;
         }
         break;
+    case SERIAL_CONTROL_SERIAL0 ... SERIAL_CONTROL_SERIAL9:
+        // direct access to a SERIALn port
+        stream = port = AP::serialmanager().get_serial_by_id(packet.device - SERIAL_CONTROL_SERIAL0);
+        break;
+
     default:
         // not supported yet
         return;