diff --git a/assets/javascripts/discourse/helpers/event-label.js b/assets/javascripts/discourse/helpers/event-label.js
index 08d32295..3e047cc3 100644
--- a/assets/javascripts/discourse/helpers/event-label.js
+++ b/assets/javascripts/discourse/helpers/event-label.js
@@ -1,8 +1,9 @@
-import { helperContext, registerUnbound } from "discourse-common/lib/helpers";
+import { helper } from '@ember/component/helper';
+import { helperContext } from "discourse-common/lib/helpers";
 import { htmlSafe } from "@ember/template";
 import { eventLabel } from "../lib/date-utilities";
 
-export default registerUnbound("event-label", function (event, args) {
+export default helper(function eventLabelHelper([event], args) {
   let siteSettings = helperContext().siteSettings;
   return htmlSafe(eventLabel(event, Object.assign({}, args, { siteSettings })));
 });