diff --git a/src/core/thread/network_diagnostic.cpp b/src/core/thread/network_diagnostic.cpp
index 63a1d8856..e8393eb66 100644
--- a/src/core/thread/network_diagnostic.cpp
+++ b/src/core/thread/network_diagnostic.cpp
@@ -355,7 +355,7 @@ otError NetworkDiagnostic::FillRequestedTlvs(Message &aRequest, Message &aRespon
         {
             NetworkDataTlv tlv;
             tlv.Init();
-            netif.GetMle().FillNetworkDataTlv((*reinterpret_cast<Mle::NetworkDataTlv *>(&tlv)), true);
+            netif.GetMle().FillNetworkDataTlv((*reinterpret_cast<Mle::NetworkDataTlv *>(&tlv)), false);
             SuccessOrExit(error = aResponse.Append(&tlv, tlv.GetSize()));
             break;
         }