diff --git a/inc/config.php b/inc/config.php
index 2f43f614..2f050c05 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -1864,6 +1864,9 @@
     // Characters beyond the limit are truncated and ignored.
     $config['search']['max_length'] = 768;
 
+    // Enable the flag search filter.
+    $config['search']['flag_filter'] = false;
+
     // Uncomment to limit the search feature to the given boards by uri.
     //$config['search']['boards'] = array('a', 'b', 'c', 'd', 'e');