diff --git a/src/oauth2-server/publish/oauth2-server.php b/src/oauth2-server/publish/oauth2-server.php
index 89002924b..992c045e0 100644
--- a/src/oauth2-server/publish/oauth2-server.php
+++ b/src/oauth2-server/publish/oauth2-server.php
@@ -49,7 +49,7 @@
         # Whether to require code challenge for public clients for the auth code grant
         'require_code_challenge_for_public_clients' => true,
         # Whether to enable access token saving to persistence layer (default to true)
-        'persist_access_tokens' => true,
+        'persist_access_token' => true,
     ],
     'resource_server' => [
         # Full path to the public key file