diff --git a/test/intl402/RelativeTimeFormat/prototype/resolvedOptions/order.js b/test/intl402/RelativeTimeFormat/prototype/resolvedOptions/order.js
index 93ff115b02ec0f158297ce7c20b97afe1cae1a53..cf88defbea2c768c3c110e707aebc72e778df71e 100644
--- a/test/intl402/RelativeTimeFormat/prototype/resolvedOptions/order.js
+++ b/test/intl402/RelativeTimeFormat/prototype/resolvedOptions/order.js
@@ -14,6 +14,7 @@ const expected = [
   "locale",
   "style",
   "numeric",
+  "numberingSystem",
 ];
 
 assert.compareArray(Object.getOwnPropertyNames(options), expected);