diff --git a/packages/effect-fc/src/Async.ts b/packages/effect-fc/src/Async.ts
index c9f1a2a..a0dba11 100644
--- a/packages/effect-fc/src/Async.ts
+++ b/packages/effect-fc/src/Async.ts
@@ -4,7 +4,7 @@ import * as React from "react"
 import * as Component from "./Component.js"
 
 
-export const TypeId: unique symbol = Symbol.for("effect-fc/Async/Async")
+export const TypeId: unique symbol = Symbol.for("@effect-fc/Async/Async")
 export type TypeId = typeof TypeId
 
 export interface Async extends Async.Options {
diff --git a/packages/effect-fc/src/Component.ts b/packages/effect-fc/src/Component.ts
index e6f4a2e..69a24f4 100644
--- a/packages/effect-fc/src/Component.ts
+++ b/packages/effect-fc/src/Component.ts
@@ -5,7 +5,7 @@ import * as React from "react"
 import { Memoized } from "./index.js"
 
 
-export const TypeId: unique symbol = Symbol.for("effect-fc/Component/Component")
+export const TypeId: unique symbol = Symbol.for("@effect-fc/Component/Component")
 export type TypeId = typeof TypeId
 
 export interface Component<P extends {}, A extends React.ReactNode, E, R>
diff --git a/packages/effect-fc/src/Form.ts b/packages/effect-fc/src/Form.ts
index 8328536..b78d296 100644
--- a/packages/effect-fc/src/Form.ts
+++ b/packages/effect-fc/src/Form.ts
@@ -9,7 +9,7 @@ import * as SubscriptionRef from "./SubscriptionRef.js"
 import * as SubscriptionSubRef from "./SubscriptionSubRef.js"
 
 
-export const FormTypeId: unique symbol = Symbol.for("effect-fc/Form/Form")
+export const FormTypeId: unique symbol = Symbol.for("@effect-fc/Form/Form")
 export type FormTypeId = typeof FormTypeId
 
 export interface Form<in out A, in out I = A, out R = never, in out SA = void, in out SE = A, out SR = never>
diff --git a/packages/effect-fc/src/Memoized.ts b/packages/effect-fc/src/Memoized.ts
index 7687be1..61cea91 100644
--- a/packages/effect-fc/src/Memoized.ts
+++ b/packages/effect-fc/src/Memoized.ts
@@ -3,7 +3,7 @@ import { type Equivalence, Function, Predicate } from "effect"
 import type * as Component from "./Component.js"
 
 
-export const TypeId: unique symbol = Symbol.for("effect-fc/Memoized/Memoized")
+export const TypeId: unique symbol = Symbol.for("@effect-fc/Memoized/Memoized")
 export type TypeId = typeof TypeId
 
 export interface Memoized<P> extends Memoized.Options<P> {
diff --git a/packages/effect-fc/src/ReactRuntime.ts b/packages/effect-fc/src/ReactRuntime.ts
index 2b1bc01..cdbe329 100644
--- a/packages/effect-fc/src/ReactRuntime.ts
+++ b/packages/effect-fc/src/ReactRuntime.ts
@@ -4,7 +4,7 @@ import * as React from "react"
 import * as Component from "./Component.js"
 
 
-export const TypeId: unique symbol = Symbol.for("effect-fc/ReactRuntime/ReactRuntime")
+export const TypeId: unique symbol = Symbol.for("@effect-fc/ReactRuntime/ReactRuntime")
 export type TypeId = typeof TypeId
 
 export interface ReactRuntime<R, ER> {