diff --git a/index.html b/index.html
index 9659d5c..dd62aab 100644
--- a/index.html
+++ b/index.html
@@ -86,7 +86,7 @@ module.exports = robot => {
     const params = context.issue({
       body: 'Hello World!'
     });
-    context.github.issues.createComment(params);
+    await context.github.issues.createComment(params);
   });
 };
 {% endhighlight %}