diff --git a/libraries/src/Access/Access.php b/libraries/src/Access/Access.php
index e09636943538e..3bd3976081e4a 100644
--- a/libraries/src/Access/Access.php
+++ b/libraries/src/Access/Access.php
@@ -599,7 +599,7 @@ public static function getAssetRules($assetKey, $recursive = false, $recursivePa
 
 					// If not full recursive mode, but recursive parent mode, do not add other recursion rules.
 					if (!$recursive && $recursiveParentAsset && self::$assetPermissionsParentIdMapping[$extensionName][$id]->name !== $extensionName
-						&& self::$assetPermissionsParentIdMapping[$extensionName][$id]->id !== $assetId)
+						&& (int) self::$assetPermissionsParentIdMapping[$extensionName][$id]->id !== $assetId)
 					{
 						continue;
 					}