diff --git a/priv/emqx.schema b/priv/emqx.schema
index 210248ab3..bbe3058f6 100644
--- a/priv/emqx.schema
+++ b/priv/emqx.schema
@@ -199,7 +199,7 @@ end}.
 ]}.
 
 %% @doc The erlang distributed protocol
-{mapping, "node.proto_dist", "vm_args.-proto_dist", [
+{mapping, "node.proto_dist", "ekka.proto_dist", [
   %{default, "inet_tcp"},
   {datatype, {enum, [inet_tcp, inet6_tcp, inet_tls]}},
   hidden