diff --git a/packages/effect-fc/src/Form.ts b/packages/effect-fc/src/Form.ts
index e0829cb..0acc963 100644
--- a/packages/effect-fc/src/Form.ts
+++ b/packages/effect-fc/src/Form.ts
@@ -61,6 +61,16 @@ extends Pipeable.Class() implements Form<A, I, R, MA, ME, MR, MP> {
         readonly fieldCache: Ref.Ref<HashMap.HashMap<FormFieldKey, FormField<unknown, unknown>>>,
     ) {
         super()
+
+        this.canSubmit = Subscribable.map(
+            Subscribable.zipLatestAll(this.value, this.error, this.validationFiber, this.mutation.result),
+            ([value, error, validationFiber, submitResult]) => (
+                Option.isSome(value) &&
+                Option.isNone(error) &&
+                Option.isNone(validationFiber) &&
+                !(Result.isRunning(submitResult) || Result.isRefreshing(submitResult))
+            ),
+        )
     }
 
     field<const P extends PropertyPath.Paths<I>>(
@@ -78,17 +88,7 @@ extends Pipeable.Class() implements Form<A, I, R, MA, ME, MR, MP> {
         )
     }
 
-    get canSubmit(): Subscribable.Subscribable<boolean> {
-        return Subscribable.map(
-            Subscribable.zipLatestAll(this.value, this.error, this.validationFiber, this.mutation.result),
-            ([value, error, validationFiber, submitResult]) => (
-                Option.isSome(value) &&
-                Option.isNone(error) &&
-                Option.isNone(validationFiber) &&
-                !(Result.isRunning(submitResult) || Result.isRefreshing(submitResult))
-            ),
-        )
-    }
+    readonly canSubmit: Subscribable.Subscribable<boolean, never, never>
 
     get submit(): Effect.Effect<Option.Option<Result.Final<MA, ME, MP>>, Cause.NoSuchElementException> {
         return this.value.pipe(
diff --git a/packages/example/src/routes/form.tsx b/packages/example/src/routes/form.tsx
index b0bfef9..dabbe70 100644
--- a/packages/example/src/routes/form.tsx
+++ b/packages/example/src/routes/form.tsx
@@ -54,9 +54,9 @@ class RegisterForm extends Effect.Service<RegisterForm>()("RegisterForm", {
         ),
 
         initialEncodedValue: { email: "", password: "", birth: Option.none() },
-        f: Effect.fnUntraced(function*([v]) {
+        f: Effect.fnUntraced(function*([value]) {
             yield* Effect.sleep("500 millis")
-            return yield* Schema.decode(RegisterFormSubmitSchema)(v)
+            return yield* Schema.decode(RegisterFormSubmitSchema)(value)
         }),
         debounce: "500 millis",
     })