diff --git a/rust/pin-init/examples/error.rs b/rust/pin-init/examples/error.rs
index e0cc258746ce..8f4e135eb8ba 100644
--- a/rust/pin-init/examples/error.rs
+++ b/rust/pin-init/examples/error.rs
@@ -24,4 +24,6 @@ impl From<AllocError> for Error {
 }
 
 #[allow(dead_code)]
-fn main() {}
+fn main() {
+    let _ = Error;
+}