diff --git a/Rover/Parameters.cpp b/Rover/Parameters.cpp
index f997e15797720..55bd46420e1b2 100644
--- a/Rover/Parameters.cpp
+++ b/Rover/Parameters.cpp
@@ -38,6 +38,7 @@ const AP_Param::Info Rover::var_info[] = {
     // @Description: Allows setting an individual MAVLink system id for this vehicle to distinguish it from others on the same network
     // @Range: 1 255
     // @User: Advanced
+    // @RebootRequired: True
     GSCALAR(sysid_this_mav,         "SYSID_THISMAV",    MAV_SYSTEM_ID),
 
     // @Param: SYSID_MYGCS