diff --git a/example/main.js b/example/main.js
index d10dc1c..9cfcd96 100644
--- a/example/main.js
+++ b/example/main.js
@@ -137,6 +137,7 @@ printButton.onclick = async () => {
     await printTask.waitForFinished();
   } catch (e) {
     alert(e);
+  } finally {
     await client.abstraction.printEnd();
   }
 };