diff --git a/action.php b/action.php
index ee45cbc..2d54d5b 100644
--- a/action.php
+++ b/action.php
@@ -27,6 +27,7 @@ class action_plugin_childrenpages extends DokuWiki_Action_Plugin {
 	 * @param Doku_Event $event
 	 */
 	public function addMenuItem(Doku_Event $event) : void {
+		global $INFO;
 		// Check that this method has been called in the expected context
 		if ( $event->name !== 'MENU_ITEMS_ASSEMBLY' ) {
 			$message = "Tabpage plugin error:";
@@ -38,6 +39,10 @@ class action_plugin_childrenpages extends DokuWiki_Action_Plugin {
 		if ( $event->data['view'] !== 'page' ) {
 			return;
 		}
+		// Only add links if the current page is not included in a namespace
+		if ( ! empty($INFO['namespace']) ) {
+			return;
+		}
 		trigger_error('addMenuItem() not implemented in '.get_class($this), E_USER_WARNING);
 	}
 }