diff --git a/zui/package.json b/zui/package.json
index 232711a3..e47a4348 100644
--- a/zui/package.json
+++ b/zui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@bpinternal/zui",
-  "version": "0.10.3",
+  "version": "0.10.4",
   "description": "A fork of Zod with additional features",
   "type": "module",
   "source": "./src/index.ts",
diff --git a/zui/src/transforms/zui-to-typescript-next/index.test.ts b/zui/src/transforms/zui-to-typescript-next/index.test.ts
index 34a6efba..1c38375a 100644
--- a/zui/src/transforms/zui-to-typescript-next/index.test.ts
+++ b/zui/src/transforms/zui-to-typescript-next/index.test.ts
@@ -535,8 +535,7 @@ describe.concurrent('objects', () => {
     await expect(typings).toMatchWithoutFormatting(expected)
   })
 
-  // TODO: fix this test
-  it.skip('chaining nullable optional should still be optional', async () => {
+  it('chaining optional nullable should still be optional', async () => {
     const schema = z.object({
       foo: z.string().optional().nullable(),
     })
diff --git a/zui/src/transforms/zui-to-typescript-next/index.ts b/zui/src/transforms/zui-to-typescript-next/index.ts
index b76f1fe4..ed1e6106 100644
--- a/zui/src/transforms/zui-to-typescript-next/index.ts
+++ b/zui/src/transforms/zui-to-typescript-next/index.ts
@@ -129,7 +129,9 @@ declare const ${schema.identifier}: ${typings};`)
     const delimiter = description?.trim().length > 0 ? '\n' : ''
     const withoutDesc = schema.value.describe('')
 
-    const optionalModifier = schema.optional ? '?' : ''
+    // either we are children of a z.ZodOptional or there is a z.ZodOptional in the children
+    const isOptional = schema.optional || schema.value.isOptional()
+    const optionalModifier = isOptional ? '?' : ''
     return `${delimiter}${description}${delimiter}${schema.key}${optionalModifier}: ${sUnwrapZod(withoutDesc, newConfig)}${delimiter}`
   }