diff --git a/examples/spin-timer/src/main.rs b/examples/spin-timer/src/main.rs
index 4b0be53c32..80e535d4d8 100644
--- a/examples/spin-timer/src/main.rs
+++ b/examples/spin-timer/src/main.rs
@@ -129,7 +129,7 @@ impl TriggerExecutor for TimerTrigger {
 }
 
 impl TimerTrigger {
-    async fn handle_timer_event(&self, component_id: &str) -> anyhow::Result<()> {
+    async fn handle_timer_event(&self, component_id: &str) -> anyhow::Result<bool> {
         // Load the guest...
         let (instance, mut store) = self.engine.prepare_instance(component_id).await?;
         let EitherInstance::Component(instance) = instance else {