diff --git a/app/plugins/CoreServer/src/Model/Table/Oauth2ServersTable.php b/app/plugins/CoreServer/src/Model/Table/Oauth2ServersTable.php
index ffc9113e3..54e720c59 100644
--- a/app/plugins/CoreServer/src/Model/Table/Oauth2ServersTable.php
+++ b/app/plugins/CoreServer/src/Model/Table/Oauth2ServersTable.php
@@ -270,6 +270,14 @@ public function validationDefault(Validator $validator): Validator {
     ]);
     $validator->allowEmptyString('access_token');
 
+    $validator->add('token_response', [
+      'content' => [
+        'rule' => 'validateNotBlank',
+        'provider' => 'table'
+      ]
+    ]);
+    $validator->allowEmptyString('token_response');
+
     $validator->integer('access_token_exp')
               ->allowEmptyString('access_token_exp');
 
diff --git a/app/plugins/CoreServer/src/config/plugin.json b/app/plugins/CoreServer/src/config/plugin.json
index b9687eaf7..f64e58cbd 100644
--- a/app/plugins/CoreServer/src/config/plugin.json
+++ b/app/plugins/CoreServer/src/config/plugin.json
@@ -49,6 +49,7 @@
           "scope": { "type": "string", "size": 256 },
           "refresh_token": { "type": "text" },
           "access_token": { "type": "text" },
+          "token_response": { "type": "text" },
           "access_token_exp": { "type": "boolean" }
         },
         "indexes": {