diff --git a/redfish-core/lib/network_protocol.hpp b/redfish-core/lib/network_protocol.hpp
index e5448f1..b32fde1 100644
--- a/redfish-core/lib/network_protocol.hpp
+++ b/redfish-core/lib/network_protocol.hpp
@@ -230,6 +230,8 @@
 
         for (auto& protocol : protocolToDBus)
         {
+            asyncResp->res.jsonValue[protocol.first]["Port"] =
+                nlohmann::detail::value_t::null;
             asyncResp->res.jsonValue[protocol.first]["ProtocolEnabled"] = false;
         }