diff --git a/js/forum/src/components/index-page.js b/js/forum/src/components/index-page.js
index fbb82b025..6fc133f9f 100644
--- a/js/forum/src/components/index-page.js
+++ b/js/forum/src/components/index-page.js
@@ -160,7 +160,7 @@ export default class IndexPage extends Component {
     items.add('sort',
       SelectInput.component({
         options: sortOptions,
-        value: this.params.sort,
+        value: this.params().sort,
         onchange: this.reorder.bind(this)
       })
     );