diff --git a/README.md b/README.md
index 9cd3495..cfac43f 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ By default, constructors in variants are represented as a list with one string,
 type t =
 | Typ
 | Class of string
-[@@deriving jsonschema ~variant_as_array]
+[@@deriving jsonschema]
 ```
 
 ```json