diff --git a/.changeset/gold-paws-deny.md b/.changeset/gold-paws-deny.md
new file mode 100644
index 00000000000..40def33b580
--- /dev/null
+++ b/.changeset/gold-paws-deny.md
@@ -0,0 +1,5 @@
+---
+"@comet/cms-admin": patch
+---
+
+add fullWidth to toggle form field of optionalNested form fields to not loose widht for the nested fields
diff --git a/packages/admin/cms-admin/src/generator/future/generateForm/generateFormLayout.ts b/packages/admin/cms-admin/src/generator/future/generateForm/generateFormLayout.ts
index 6b3b8addca6..6150b6e948a 100644
--- a/packages/admin/cms-admin/src/generator/future/generateForm/generateFormLayout.ts
+++ b/packages/admin/cms-admin/src/generator/future/generateForm/generateFormLayout.ts
@@ -173,7 +173,7 @@ export function generateFormLayout({
                         />
                     )}
                 </Field>
-                 <Field name="${String(config.name)}Enabled" subscription={{ value: true }}>
+                 <Field name="${String(config.name)}Enabled" fullWidth subscription={{ value: true }}>
                     {({ input: { value } }) =>
                         value ? (
                             <>