diff --git a/system/src/Grav/Framework/Flex/Flex.php b/system/src/Grav/Framework/Flex/Flex.php
index b02692f6e..865fb8002 100644
--- a/system/src/Grav/Framework/Flex/Flex.php
+++ b/system/src/Grav/Framework/Flex/Flex.php
@@ -93,6 +93,7 @@ class Flex implements \Countable
     /**
      * @param string $type
      * @param string $key
+     * @param string|null $keyField
      * @return FlexObjectInterface|null
      */
     public function getObject(string $type, string $key, string $keyField = null): ?FlexObjectInterface