diff --git a/ch32v-insert-coin/src/app.rs b/ch32v-insert-coin/src/app.rs
index 14138f8..a8fdbb8 100644
--- a/ch32v-insert-coin/src/app.rs
+++ b/ch32v-insert-coin/src/app.rs
@@ -566,6 +566,9 @@ impl App {
         self.settings.volume.next();
         #[cfg(feature = "enable_print")]
         println!("new volume: {:?}", self.settings.volume);
+        self.services
+            .sequencer
+            .play_sequence(&crate::sequences::COIN_CHIRP, 0);
         self.timers.shutdown_timer.reset();
         self.timers.shutdown_timer.enable(true);
     }