diff --git a/viewforum.php b/viewforum.php
index 7a1cdb4a3..17b962e9e 100644
--- a/viewforum.php
+++ b/viewforum.php
@@ -12,6 +12,7 @@ define('BB_SCRIPT', 'forum');
 require __DIR__ . '/common.php';
 
 $page_cfg['include_bbcode_js'] = true;
+$page_cfg['canonical_link'] = true;
 
 $show_last_topic = true;
 $last_topic_max_len = 40;
diff --git a/viewtopic.php b/viewtopic.php
index f952e0f15..e71470904 100644
--- a/viewtopic.php
+++ b/viewtopic.php
@@ -22,6 +22,7 @@ $page_cfg['load_tpl_vars'] = [
     'post_icons',
     'topic_icons'
 ];
+$page_cfg['canonical_link'] = true;
 
 $newest = $next_topic_id = 0;
 $start = isset($_GET['start']) ? abs((int)$_GET['start']) : 0;