Index: sites/all/modules/advanced_forum/styles/naked/advanced-forum.naked.statistics.tpl.php
===================================================================
--- sites/all/modules/advanced_forum/styles/naked/advanced-forum.naked.statistics.tpl.php	(date 1398540590000)
+++ sites/all/modules/advanced_forum/styles/naked/advanced-forum.naked.statistics.tpl.php	(revision )
@@ -20,7 +20,7 @@
   <div id="forum-statistics-header"><?php print t("What's Going On?"); ?></div>
 
   <div id="forum-statistics-active-header" class="forum-statistics-sub-header">
-    <?php print t('Currently active users: !current_total', array('!current_total' => $current_total)); ?>
+      <?php print t('Currently active users: !current_total (!current_users users and !current_guests guests)', array('!current_total' => $current_total, '!current_users' => $current_users, '!current_guests' => $current_guests)); ?>
   </div>
   <?php if (!empty($online_users)) : ?>
     <div id="forum-statistics-active-body" class="forum-statistics-sub-body">
Index: sites/all/modules/advanced_forum/advanced_forum.module
===================================================================
--- sites/all/modules/advanced_forum/advanced_forum.module	(date 1398540590000)
+++ sites/all/modules/advanced_forum/advanced_forum.module	(revision )
@@ -769,9 +769,13 @@
   $interval = REQUEST_TIME - variable_get('user_block_seconds_online', 900);
 
   $query = db_select("sessions", "s")
-      ->fields("s", array("uid"))
-      ->distinct()
-      ->condition('s.timestamp', $interval, '>=')
+      ->fields("s", array("uid"));
+
+  if (!$anonymous) {
+    $query = $query->distinct();
+  }
+
+  $query = $query->condition('s.timestamp', $interval, '>=')
       ->condition('s.uid', 0, $anonymous ? '=' : '>')
       ->countQuery();
 
Index: sites/all/modules/advanced_forum/includes/theme.inc
===================================================================
--- sites/all/modules/advanced_forum/includes/theme.inc	(date 1398540590000)
+++ sites/all/modules/advanced_forum/includes/theme.inc	(revision )
@@ -331,7 +331,7 @@
   $authenticated_users = advanced_forum_statistics_online_users();
   $variables['online_users'] = implode(', ', $authenticated_users);
   $variables['current_users'] = advanced_forum_session_count(FALSE);
-  $variables['current_guests'] = 0; // for backwards compatibility
+  $variables['current_guests'] = advanced_forum_session_count(TRUE);
   $variables['current_total'] = $variables['current_users'] + $variables['current_guests'];
 
   $latest_users = advanced_forum_statistics_latest_users();
\ No newline at end of file