diff --git a/src/schema/effect/option.ts b/src/schema/effect/option.ts
index baca6ee..5b8c7f1 100644
--- a/src/schema/effect/option.ts
+++ b/src/schema/effect/option.ts
@@ -20,6 +20,10 @@ export const option = {
         >>(v => Option.isOption(v) && Option.isNone(v), "Not an Option"),
 } as const
 
+
 export type ZodEffectOption<S extends z.ZodTypeAny> = ReturnType<typeof option.option<S>>
 export type ZodEffectOptionSome<S extends z.ZodTypeAny> = ReturnType<typeof option.some<S>>
 export type ZodEffectOptionNone<S extends z.ZodTypeAny> = ReturnType<typeof option.none<S>>
+
+export const effectOptionSomeInnerType = <S extends z.ZodTypeAny>(schema: ZodEffectOptionSome<S>): S =>
+    schema._def.schema._def.out.shape.value
diff --git a/src/schema/jsonified/option.ts b/src/schema/jsonified/option.ts
index 543706d..c2c58f0 100644
--- a/src/schema/jsonified/option.ts
+++ b/src/schema/jsonified/option.ts
@@ -3,7 +3,7 @@ import { identity } from "lodash-es"
 import { Jsonifiable, Opaque } from "type-fest"
 import { z } from "zod"
 import { effect } from "../effect"
-import { ZodEffectOption } from "../effect/option"
+import { ZodEffectOption, ZodEffectOptionSome, effectOptionSomeInnerType } from "../effect/option"
 
 
 export type JsonifiedEffectOption<T extends Jsonifiable> = Opaque<T | null, "@thilawyn/zod-schema-class/JsonifiedEffectOption">
@@ -13,19 +13,21 @@ export const jsonifyOption = {
     option: <
         S extends ZodEffectOption<T>,
         T extends z.ZodTypeAny,
-        Jsonify,
+        // Jsonify extends (schema: z.ZodType<>),
     >(
         schema: S | ZodEffectOption<T>,
     ) =>
         (schema as S).transform(v => Option.getOrNull(v)),
 
     some: <
-        S extends ReturnType<typeof effect.option.some<T>>,
-        T extends z.ZodSchema,
+        InnerS          extends z.ZodTypeAny,
+        JsonifiedInnerS extends z.ZodTypeAny = InnerS,
     >(
-        schema: S | ReturnType<typeof effect.option.some<T>>
-    ) =>
-        (schema as S).transform(v => Option.getOrThrow(v)),
+        schema:         ZodEffectOptionSome<InnerS>,
+        jsonifySchema:  (schema: InnerS) => JsonifiedInnerS = identity,
+    ) => schema
+        .transform(v => Option.getOrThrow(v))
+        .pipe(jsonifySchema(effectOptionSomeInnerType(schema))),
 
     none: <
         S extends ReturnType<typeof effect.option.none<T>>,
diff --git a/src/tests.ts b/src/tests.ts
index 4e2caff..0bd9fce 100644
--- a/src/tests.ts
+++ b/src/tests.ts
@@ -7,6 +7,8 @@ import { dejsonify, jsonify } from "./schema/jsonified"
 import { ZodEffectOption, ZodEffectOptionNone, ZodEffectOptionSome, effect } from "./schema/lib"
 import { MobXObservableZodSchemaObject } from "./traits/MobXObservableZodSchemaObject"
 import { satisfies } from "effect/Function"
+import { identity } from "lodash-es"
+import { jsonifyBigIntSchema } from "./schema/jsonified/bigint"
 
 
 const userExp = ZodSchemaClass(
@@ -35,9 +37,12 @@ const t = z.literal("prout")
 const optionT = effect.option.option(t)
 const someT = optionT._def.options[0] satisfies ZodEffectOptionSome<typeof t>
 
-const jsonifiedOption = jsonify.option.some(
-    effect.option.some(z.literal("prout"))
+const jsonifiedBigIntOption = jsonify.option.some(
+    effect.option.some(z.bigint()),
+    jsonifyBigIntSchema,
 )
+type T = z.output<typeof jsonifiedBigIntOption>
+
 
 const jsonifiedUserExp = JsonifiedZodSchemaClass(User, {
     jsonifySchema: s => s.extend({