diff --git a/framework/core/js/src/common/models/User.js b/framework/core/js/src/common/models/User.js
index e0c55fcf7..f49512ffc 100644
--- a/framework/core/js/src/common/models/User.js
+++ b/framework/core/js/src/common/models/User.js
@@ -26,7 +26,7 @@ Object.assign(User.prototype, {
   newNotificationsCount: Model.attribute('newNotificationsCount'),
 
   discussionCount: Model.attribute('discussionCount'),
-  commentsCount: Model.attribute('commentsCount'),
+  commentCount: Model.attribute('commentCount'),
 
   canEdit: Model.attribute('canEdit'),
   canDelete: Model.attribute('canDelete'),
diff --git a/framework/core/js/src/forum/components/UserPage.js b/framework/core/js/src/forum/components/UserPage.js
index 4d036dca7..67c27fb01 100644
--- a/framework/core/js/src/forum/components/UserPage.js
+++ b/framework/core/js/src/forum/components/UserPage.js
@@ -131,7 +131,7 @@ export default class UserPage extends Page {
     items.add('posts',
       LinkButton.component({
         href: app.route('user.posts', {username: user.username()}),
-        children: [app.translator.trans('core.forum.user.posts_link'), <span className="Button-badge">{user.commentsCount()}</span>],
+        children: [app.translator.trans('core.forum.user.posts_link'), <span className="Button-badge">{user.commentCount()}</span>],
         icon: 'far fa-comment'
       }),
       100
diff --git a/framework/core/src/Api/Serializer/UserSerializer.php b/framework/core/src/Api/Serializer/UserSerializer.php
index 02d760ada..94103106e 100644
--- a/framework/core/src/Api/Serializer/UserSerializer.php
+++ b/framework/core/src/Api/Serializer/UserSerializer.php
@@ -43,7 +43,7 @@ class UserSerializer extends BasicUserSerializer
         $attributes += [
             'joinTime'         => $this->formatDate($user->joined_at),
             'discussionCount'  => (int) $user->discussion_count,
-            'commentsCount'    => (int) $user->comment_count,
+            'commentCount'     => (int) $user->comment_count,
             'canEdit'          => $canEdit,
             'canDelete'        => $gate->allows('delete', $user),
         ];