diff --git a/src/Adapter/Local/JSONFile/LocalJSONFileAdapter.php b/src/Adapter/Local/JSONFile/LocalJSONFileAdapter.php
index 075a1e4..0496694 100644
--- a/src/Adapter/Local/JSONFile/LocalJSONFileAdapter.php
+++ b/src/Adapter/Local/JSONFile/LocalJSONFileAdapter.php
@@ -91,7 +91,7 @@ public function getSecret(string $key, ?array $options = []): Secret
         return new Secret(
             $secrets[$index]['key'],
             $secrets[$index]['value'],
-            $secrets[$index]['metadata'],
+            $secrets[$index]['metadata'] ?? null
         );
     }