diff --git a/Tools/AntennaTracker/GCS_Mavlink.pde b/Tools/AntennaTracker/GCS_Mavlink.pde
index 5b34d1a7e7bafef235c7becf8b434bdb30857838..fd7781271bd1f3d9b2a54764264889e437a51cb5 100644
--- a/Tools/AntennaTracker/GCS_Mavlink.pde
+++ b/Tools/AntennaTracker/GCS_Mavlink.pde
@@ -905,6 +905,12 @@ mission_failed:
         break;
     }
 
+#if HAL_CPU_CLASS > HAL_CPU_CLASS_16
+    case MAVLINK_MSG_ID_SERIAL_CONTROL:
+        handle_serial_control(msg, gps);
+        break;
+#endif
+
     default:
         break;