diff --git a/examples/auth/cms/src/collections/Users.ts b/examples/auth/cms/src/collections/Users.ts
index 7006e42cb7..c02b1a5ec2 100644
--- a/examples/auth/cms/src/collections/Users.ts
+++ b/examples/auth/cms/src/collections/Users.ts
@@ -43,6 +43,7 @@ export const Users: CollectionConfig = {
       name: 'roles',
       type: 'select',
       hasMany: true,
+      saveToJWT: true,
       hooks: {
         beforeChange: [protectRoles],
       },
diff --git a/examples/auth/cms/src/collections/hooks/protectRoles.ts b/examples/auth/cms/src/collections/hooks/protectRoles.ts
index ebb5a48678..9c4c9af7c5 100644
--- a/examples/auth/cms/src/collections/hooks/protectRoles.ts
+++ b/examples/auth/cms/src/collections/hooks/protectRoles.ts
@@ -10,7 +10,7 @@ export const protectRoles: FieldHook<User & { id: string }> = async ({ req, data
     return ['user']
   }
 
-  const userRoles = new Set(data?.roles || [])
+  const userRoles = new Set(...(data?.roles || []))
   userRoles.add('user')
 
   return [...userRoles]