diff --git a/src/cares_wrap.cc b/src/cares_wrap.cc
index da546b15f264c2..fe70bd91a5234c 100644
--- a/src/cares_wrap.cc
+++ b/src/cares_wrap.cc
@@ -1411,12 +1411,13 @@ static void Query(const FunctionCallbackInfo<Value>& args) {
   CHECK(args[1]->IsString());
 
   Local<Object> req_wrap_obj = args[0].As<Object>();
-  Local<String> string = args[1].As<String>();
   auto wrap = std::make_unique<Wrap>(channel, req_wrap_obj);
 
-  node::Utf8Value name(env->isolate(), string);
+  auto plain_name =
+      node::Utf8Value(env->isolate(), args[1].As<String>()).ToStringView();
+  std::string name = ada::idna::to_ascii(plain_name);
   channel->ModifyActivityQueryCount(1);
-  int err = wrap->Send(*name);
+  int err = wrap->Send(name.data());
   if (err) {
     channel->ModifyActivityQueryCount(-1);
   } else {