diff --git a/libraries/GCS_MAVLink/GCS_Common.cpp b/libraries/GCS_MAVLink/GCS_Common.cpp
index e4f5ce57afd..8f3719a8208 100644
--- a/libraries/GCS_MAVLink/GCS_Common.cpp
+++ b/libraries/GCS_MAVLink/GCS_Common.cpp
@@ -3135,7 +3135,9 @@ MAV_RESULT GCS_MAVLINK::set_message_interval(uint32_t msg_id, int32_t interval_u
 {
     const ap_message id = mavlink_id_to_ap_message_id(msg_id);
     if (id == MSG_LAST) {
+#if CONFIG_HAL_BOARD == HAL_BOARD_SITL
         GCS_SEND_TEXT(MAV_SEVERITY_INFO, "No ap_message for mavlink id (%u)", (unsigned int)msg_id);
+#endif  // CONFIG_HAL_BOARD == HAL_BOARD_SITL
         return MAV_RESULT_DENIED;
     }