diff --git a/experiments/2024-10-30/src/main.rs b/experiments/2024-10-30/src/main.rs
index e7a11a969..847b1612d 100644
--- a/experiments/2024-10-30/src/main.rs
+++ b/experiments/2024-10-30/src/main.rs
@@ -1,3 +1,4 @@
-fn main() {
+fn main() -> anyhow::Result<()> {
     println!("Hello, world!");
+    Ok(())
 }