diff --git a/addon/components/modal-dialog.js b/addon/components/modal-dialog.js
index 940937492..66eb02234 100644
--- a/addon/components/modal-dialog.js
+++ b/addon/components/modal-dialog.js
@@ -1,11 +1,12 @@
+/* eslint-disable ember/classic-decorator-hooks */
 import ModalDialog from 'ember-modal-dialog/components/modal-dialog';
 import { getOwner } from '@ember/application';
 
-export default ModalDialog.extend({
+export default class DocsModalDialog extends ModalDialog {
   init() {
-    this._super(...arguments);
+    super.init(...arguments);
 
     const config = getOwner(this).resolveRegistration('config:environment');
     this.set('renderInPlace', config.environment === 'test');
-  },
-});
+  }
+}