diff --git a/js/src/forum/components/DiscussionList.js b/js/src/forum/components/DiscussionList.js
index d393665bd..72fc707e0 100644
--- a/js/src/forum/components/DiscussionList.js
+++ b/js/src/forum/components/DiscussionList.js
@@ -112,10 +112,10 @@ export default class DiscussionList extends Component {
     if (this.props.params.q) {
       map.relevance = '';
     }
-    map.latest = '-lastTime';
-    map.top = '-commentsCount';
-    map.newest = '-startTime';
-    map.oldest = 'startTime';
+    map.latest = '-lastPostedAt';
+    map.top = '-commentCount';
+    map.newest = '-createdAt';
+    map.oldest = 'createdAt';
 
     return map;
   }
diff --git a/js/src/forum/components/PostsUserPage.js b/js/src/forum/components/PostsUserPage.js
index ca48652ec..95b9ed73c 100644
--- a/js/src/forum/components/PostsUserPage.js
+++ b/js/src/forum/components/PostsUserPage.js
@@ -114,7 +114,7 @@ export default class PostsUserPage extends UserPage {
         type: 'comment'
       },
       page: {offset, limit: this.loadLimit},
-      sort: '-time'
+      sort: '-createdAt'
     });
   }
 
diff --git a/src/Api/Controller/ListPostsController.php b/src/Api/Controller/ListPostsController.php
index 4818b54e9..609839fa4 100644
--- a/src/Api/Controller/ListPostsController.php
+++ b/src/Api/Controller/ListPostsController.php
@@ -40,7 +40,7 @@ class ListPostsController extends AbstractListController
     /**
      * {@inheritdoc}
      */
-    public $sortFields = ['time'];
+    public $sortFields = ['createdAt'];
 
     /**
      * @var \Flarum\Post\PostRepository
@@ -120,7 +120,7 @@ class ListPostsController extends AbstractListController
         $query->skip($offset)->take($limit);
 
         foreach ((array) $sort as $field => $order) {
-            $query->orderBy($field, $order);
+            $query->orderBy(snake_case($field), $order);
         }
 
         return $query->pluck('id')->all();
diff --git a/src/Forum/Controller/IndexController.php b/src/Forum/Controller/IndexController.php
index 028b716e7..544b68944 100644
--- a/src/Forum/Controller/IndexController.php
+++ b/src/Forum/Controller/IndexController.php
@@ -30,10 +30,10 @@ class IndexController extends FrontendController
      * @var array
      */
     private $sortMap = [
-        'latest' => '-lastTime',
-        'top' => '-commentsCount',
-        'newest' => '-startTime',
-        'oldest' => 'startTime'
+        'latest' => '-lastPostedAt',
+        'top' => '-commentCount',
+        'newest' => '-createdAt',
+        'oldest' => 'createdAt'
     ];
 
     /**