diff --git a/ext/net/ops.rs b/ext/net/ops.rs
index 768dd33135..c4eb56af2f 100644
--- a/ext/net/ops.rs
+++ b/ext/net/ops.rs
@@ -646,7 +646,7 @@ where
     cancel_rid,
   } = args;
 
-  let (config, opts) = if let Some(name_server) =
+  let (config, mut opts) = if let Some(name_server) =
     options.as_ref().and_then(|o| o.name_server.as_ref())
   {
     let group = NameServerConfigGroup::from_ips_clear(
@@ -662,6 +662,8 @@ where
     system_conf::read_system_conf()?
   };
 
+  opts.edns0 = true;
+
   {
     let mut s = state.borrow_mut();
     let perm = s.borrow_mut::<NP>();