diff --git a/libraries/src/Component/Router/Rules/MenuRules.php b/libraries/src/Component/Router/Rules/MenuRules.php
index 319e573af3b0f..52e3660b25ada 100644
--- a/libraries/src/Component/Router/Rules/MenuRules.php
+++ b/libraries/src/Component/Router/Rules/MenuRules.php
@@ -180,7 +180,7 @@ protected function buildLookup($language = '*')
 						$layout = ':' . $item->query['layout'];
 					}
 
-					if ($views[$view]->key)
+					if (isset($views[$view]) && $views[$view]->key)
 					{
 						if (!isset($this->lookup[$language][$view . $layout]))
 						{