diff --git a/app/Models/Invoice.php b/app/Models/Invoice.php
index 8db1e08a5314..97599d585ebb 100644
--- a/app/Models/Invoice.php
+++ b/app/Models/Invoice.php
@@ -964,6 +964,7 @@ class Invoice extends EntityModel implements BalanceAffecting
             'work_phone',
             'work_email',
             'country',
+            'country_id',
             'currency_id',
             'custom_label1',
             'custom_value1',