diff --git a/action.php b/action.php
index dccc97c..8a439ee 100644
--- a/action.php
+++ b/action.php
@@ -48,7 +48,7 @@ class action_plugin_childrenpages extends DokuWiki_Action_Plugin {
 		$is_child_page = in_array($top_namespace, $children_types);
 		if ( $show_all_links || $is_child_page ) {
 			$main_label = $this->getLang('btn_main');
-			$this->addMenuItem($event, '_main', $main_label, $top_namespace);
+			$this->addMenuItem($event, '_main', $main_label, $is_child_page);
 		}
 		// Add menu items for each child page
 		foreach ( $children_types as $child_type ) {