diff --git a/app/Ninja/Repositories/InvoiceRepository.php b/app/Ninja/Repositories/InvoiceRepository.php
index 70a5a6c57d01..285e38d376b8 100644
--- a/app/Ninja/Repositories/InvoiceRepository.php
+++ b/app/Ninja/Repositories/InvoiceRepository.php
@@ -754,6 +754,8 @@ class InvoiceRepository extends BaseRepository
                 'tax_rate1',
                 'tax_name2',
                 'tax_rate2',
+                'custom_value1',
+                'custom_value2',
             ] as $field) {
                 $cloneItem->$field = $item->$field;
             }