diff --git a/src/tests.ts b/src/tests.ts
index 229b1fc..8feea0f 100644
--- a/src/tests.ts
+++ b/src/tests.ts
@@ -10,7 +10,7 @@ import { MobXObservableZodSchemaObject } from "./traits/MobXObservableZodSchemaO
 const userExp = ZodSchemaClass(
     z.object({
         /** User ID */
-        id: s.effect.option.option(z.bigint()).default(Option.none()),
+        id: s.effect.option(z.bigint()).default(Option.none()),
 
         /** Username */
         name: z.string(),
@@ -31,11 +31,11 @@ const userInstEffect = User.createEffect({ id: Option.some(1n), name: "User" })
 
 const jsonifiedUserExp = JsonifiedZodSchemaClass(User, {
     jsonifySchema: schema => schema.extend({
-        id: s.effect.jsonify.option.option(schema.shape.id, s.jsonify.bigint)
+        id: s.effect.option.jsonify(schema.shape.id, s.jsonify.bigint)
     }),
 
     dejsonifySchema: schema => schema.extend({
-        id: s.effect.dejsonify.option.option(schema.shape.id, s.dejsonify.bigint)
+        id: s.effect.option.dejsonify(schema.shape.id, s.dejsonify.bigint)
     }),
 }).build()