diff --git a/components/com_content/helpers/legacyrouter.php b/components/com_content/helpers/legacyrouter.php
index b5f4f05c608cf..de431dba5ef83 100644
--- a/components/com_content/helpers/legacyrouter.php
+++ b/components/com_content/helpers/legacyrouter.php
@@ -91,7 +91,7 @@ public function build(&$query, &$segments)
 		}
 
 		// Are we dealing with an article or category that is attached to a menu item?
-		if (($menuItem instanceof stdClass)
+		if ($menuItem !== null
 			&& $menuItem->query['view'] == $query['view']
 			&& isset($query['id'])
 			&& $menuItem->query['id'] == (int) $query['id'])