diff --git a/test/runtime/samples/reactive-values-uninitialised/_config.js b/test/runtime/samples/reactive-values-uninitialised/_config.js
index 4b27d71074..ef72d70652 100644
--- a/test/runtime/samples/reactive-values-uninitialised/_config.js
+++ b/test/runtime/samples/reactive-values-uninitialised/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: `<p>aca</p>`
+	html: '<p>aca</p>'
 };