diff --git a/client/src/containers/Preferences/Accountant/Accountant.schema.js b/client/src/containers/Preferences/Accountant/Accountant.schema.js
index 9e8cb63e8..0c029efa5 100644
--- a/client/src/containers/Preferences/Accountant/Accountant.schema.js
+++ b/client/src/containers/Preferences/Accountant/Accountant.schema.js
@@ -2,11 +2,11 @@ import * as Yup from 'yup';
 
 const Schema = Yup.object().shape({
   accounting_basis: Yup.string().required(),
-  account_code_required: Yup.boolean(),
-  account_code_unique: Yup.boolean(),
+  account_code_required: Yup.boolean().nullable(),
+  account_code_unique: Yup.boolean().nullable(),
   deposit_account: Yup.number().nullable(),
   withdrawal_account: Yup.number().nullable(),
   advance_deposit: Yup.number().nullable(),
 });
 
-export const AccountantSchema = Schema;
\ No newline at end of file
+export const AccountantSchema = Schema;