Ticket #2552: 2522.diff

src/includes/common/widgets.php

@@ -759 +759 @@
                                         'ignore_sticky_posts' => true,
                                         'no_found_rows'       => true,
                                         'meta_key'            => '_bbp_reply_count',
-                                        'orderby'             => 'meta_value',
+                                        'orderby'             => 'meta_value_num',
                                         'order'               => 'DESC'
                                 );
                                 break;