diff --git a/sphinx-key/src/core/events.rs b/sphinx-key/src/core/events.rs
index fee489c..368fc3b 100644
--- a/sphinx-key/src/core/events.rs
+++ b/sphinx-key/src/core/events.rs
@@ -81,7 +81,8 @@ pub fn make_event_loop(
     let persister: Arc<dyn Persist> = Arc::new(FsPersister::new(&ROOT_STORE, Some(8)));
 
     // initialize the RootHandler
-    let root_handler = sphinx_signer::root::init(seed, network, policy, persister).expect("failed to init signer");
+    let root_handler =
+        sphinx_signer::root::init(seed, network, policy, persister).expect("failed to init signer");
 
     // signing loop
     let dummy_peer = PubKey([0; 33]);
@@ -127,7 +128,7 @@ pub fn make_event_loop(
                     handle_control_response(&root_handler, cres, network, led_tx.clone())
                 {
                     let res_data =
-                        rmp_serde::to_vec(&res).expect("could not publish control response");
+                        rmp_serde::to_vec_named(&res).expect("could not publish control response");
                     mqtt.publish(topics::CONTROL_RETURN, QOS, false, &res_data)
                         .expect("could not publish control response");
                 }
diff --git a/tester/src/main.rs b/tester/src/main.rs
index 3b0c1d5..64bf516 100644
--- a/tester/src/main.rs
+++ b/tester/src/main.rs
@@ -136,7 +136,7 @@ async fn run_main(
                         topics::CONTROL => {
                             match ctrlr.handle(&msg_bytes) {
                                 Ok((_msg, res)) => {
-                                    let res_data = rmp_serde::to_vec(&res)
+                                    let res_data = rmp_serde::to_vec_named(&res)
                                         .expect("could not build control response");
                                     client
                                         .publish(
@@ -199,7 +199,7 @@ async fn run_test(
                         topics::CONTROL => {
                             match ctrlr.handle(&msg_bytes) {
                                 Ok((_msg, res)) => {
-                                    let res_data = rmp_serde::to_vec(&res)
+                                    let res_data = rmp_serde::to_vec_named(&res)
                                         .expect("could not build control response");
                                     client
                                         .publish(