diff --git a/api/s5/swagger.yaml b/api/s5/swagger.yaml
index 5a6c7cc..489a08e 100644
--- a/api/s5/swagger.yaml
+++ b/api/s5/swagger.yaml
@@ -758,7 +758,8 @@ components:
                     type: integer
                 scopes:
                     type: array
-                    additionalProperties: true
+                    items:
+                        type: object
         AccountInfoResponse:
             type: object
             properties: