diff --git a/src/wasm/mod.rs b/src/wasm/mod.rs
index 04c368a..bb82344 100644
--- a/src/wasm/mod.rs
+++ b/src/wasm/mod.rs
@@ -35,7 +35,7 @@ pub async fn run() {
 fn test_wasm() {
     serial_print!("running h example... ");
 
-    run();
+    let _ = run();
     serial_println!("[ok]");
 }