diff --git a/asynchronix/examples/external_input.rs b/asynchronix/examples/external_input.rs
index 8aeb609..22877b9 100644
--- a/asynchronix/examples/external_input.rs
+++ b/asynchronix/examples/external_input.rs
@@ -79,7 +79,7 @@ impl Listener {
     }
 
     /// Periodically scheduled function that processes external events.
-    pub async fn process(&mut self) {
+    async fn process(&mut self) {
         loop {
             if let Ok(message) = self.rx.try_recv() {
                 self.message.send(message).await;