diff --git a/functions.php b/functions.php
index e98ea88..f465306 100644
--- a/functions.php
+++ b/functions.php
@@ -62,7 +62,7 @@ function start_el(&$output, $item, $depth = 0, $args = null, $id = 0)
     $attributes .= !empty($item->xfn) ? ' rel="' . esc_attr($item->xfn) . '"' : '';
     $attributes .= !empty($item->url) ? ' href="' . esc_attr($item->url) . '"' : '';
 
-    $active_class = ($item->current || $item->current_item_ancestor) ? 'active' : '';
+    $active_class = ($item->current || $item->current_item_ancestor || in_array("current_page_parent", $item->classes, true) || in_array("current-post-ancestor", $item->classes, true)) ? 'active' : '';
     $nav_link_class = ( $depth > 0 ) ? 'dropdown-item ' : 'nav-link ';
     $attributes .= ( $args->walker->has_children ) ? ' class="'. $nav_link_class . $active_class . ' dropdown-toggle" data-bs-toggle="dropdown" aria-haspopup="true" aria-expanded="false"' : ' class="'. $nav_link_class . $active_class . '"';