diff --git a/js/src/forum/components/ReplyComposer.js b/js/src/forum/components/ReplyComposer.js
index 65c8b5f7e..866e2ad74 100644
--- a/js/src/forum/components/ReplyComposer.js
+++ b/js/src/forum/components/ReplyComposer.js
@@ -14,36 +14,31 @@ function minimizeComposerIfFullScreen(e) {
  * The `ReplyComposer` component displays the composer content for replying to a
  * discussion.
  *
- * ### Props
+ * ### Attrs
  *
- * - All of the props of ComposerBody
+ * - All of the attrs of ComposerBody
  * - `discussion`
  */
 export default class ReplyComposer extends ComposerBody {
-  static initProps(props) {
-    super.initProps(props);
+  initAttrs(attrs) {
+    super.initAttrs(attrs);
 
-    props.placeholder = props.placeholder || extractText(app.translator.trans('core.forum.composer_reply.body_placeholder'));
-    props.submitLabel = props.submitLabel || app.translator.trans('core.forum.composer_reply.submit_button');
-    props.confirmExit = props.confirmExit || extractText(app.translator.trans('core.forum.composer_reply.discard_confirmation'));
+    attrs.placeholder = attrs.placeholder || extractText(app.translator.trans('core.forum.composer_reply.body_placeholder'));
+    attrs.submitLabel = attrs.submitLabel || app.translator.trans('core.forum.composer_reply.submit_button');
+    attrs.confirmExit = attrs.confirmExit || extractText(app.translator.trans('core.forum.composer_reply.discard_confirmation'));
   }
 
   headerItems() {
     const items = super.headerItems();
-    const discussion = this.props.discussion;
-
-    const routeAndMinimize = function (element, isInitialized) {
-      if (isInitialized) return;
-      $(element).on('click', minimizeComposerIfFullScreen);
-      m.route.apply(this, arguments);
-    };
+    const discussion = this.attrs.discussion;
 
     items.add(
       'title',
       <h3>
         {icon('fas fa-reply')}{' '}
-        <a href={app.route.discussion(discussion)} config={routeAndMinimize}>
+        <a route={app.route.discussion(discussion)} onclick={minimizeComposerIfFullScreen}>
           {discussion.title()}
+          {''}
         </a>
       </h3>
     );
@@ -57,7 +52,7 @@ export default class ReplyComposer extends ComposerBody {
   jumpToPreview(e) {
     minimizeComposerIfFullScreen(e);
 
-    m.route(app.route.discussion(this.props.discussion, 'reply'));
+    m.route.set(app.route.discussion(this.attrs.discussion, 'reply'));
   }
 
   /**
@@ -68,12 +63,12 @@ export default class ReplyComposer extends ComposerBody {
   data() {
     return {
       content: this.composer.fields.content(),
-      relationships: { discussion: this.props.discussion },
+      relationships: { discussion: this.attrs.discussion },
     };
   }
 
   onsubmit() {
-    const discussion = this.props.discussion;
+    const discussion = this.attrs.discussion;
 
     this.loading = true;
     m.redraw();
@@ -94,17 +89,18 @@ export default class ReplyComposer extends ComposerBody {
           // their reply has been posted, containing a button which will
           // transition to their new post when clicked.
           let alert;
-          const viewButton = Button.component({
-            className: 'Button Button--link',
-            children: app.translator.trans('core.forum.composer_reply.view_button'),
-            onclick: () => {
-              m.route(app.route.post(post));
-              app.alerts.dismiss(alert);
+          const viewButton = Button.component(
+            {
+              className: 'Button Button--link',
+              onclick: () => {
+                m.route.set(app.route.post(post));
+                app.alerts.dismiss(alert);
+              },
             },
-          });
-          alert = app.alerts.show({
+            app.translator.trans('core.forum.composer_reply.view_button')
+          );
+          alert = app.alerts.show(app.translator.trans('core.forum.composer_reply.posted_message'), {
             type: 'success',
-            children: app.translator.trans('core.forum.composer_reply.posted_message'),
             controls: [viewButton],
           });
         }