diff --git a/test/js/inserted-script-async.js b/test/js/inserted-script-async.js
index 5552e2773..aa6c0a351 100644
--- a/test/js/inserted-script-async.js
+++ b/test/js/inserted-script-async.js
@@ -1 +1 @@
-console.log("External asynchronous dynamism!");
+console.log("External %s dynamism!", "asynchronous");