diff --git a/data/api/client-server/definitions/auth_data.yaml b/data/api/client-server/definitions/auth_data.yaml
index 4bfbf62b..691cdc65 100644
--- a/data/api/client-server/definitions/auth_data.yaml
+++ b/data/api/client-server/definitions/auth_data.yaml
@@ -28,7 +28,6 @@ properties:
     type: string
 additionalProperties:
   description: Keys dependent on the login type
-  type: object
 example:
   type: "example.type.foo"
   session: "xxxxx"