diff --git a/packages/example/src/lib/form/TextFieldFormInput.tsx b/packages/example/src/lib/form/TextFieldFormInput.tsx
index ea596b0..907fbde 100644
--- a/packages/example/src/lib/form/TextFieldFormInput.tsx
+++ b/packages/example/src/lib/form/TextFieldFormInput.tsx
@@ -1,4 +1,4 @@
-import { Callout, Flex, TextField } from "@radix-ui/themes"
+import { Callout, Flex, Spinner, TextField } from "@radix-ui/themes"
 import { Array, Option } from "effect"
 import { Component, Form } from "effect-fc"
 import { useSubscribables } from "effect-fc/hooks"
@@ -24,7 +24,13 @@ export class TextFieldFormInput extends Component.makeUntraced("TextFieldFormInp
                 onChange={e => setValue(e.target.value)}
                 disabled={isSubmitting}
                 {...props}
-            />
+            >
+                {isValidating &&
+                    <TextField.Slot side="right">
+                        <Spinner />
+                    </TextField.Slot>
+                }
+            </TextField.Root>
 
             {Option.match(Array.head(issues), {
                 onSome: issue => (