diff --git a/addons/account_voucher/voucher_payment_receipt_view.xml b/addons/account_voucher/voucher_payment_receipt_view.xml
index 1a8d3680f5f..241bd23d5bb 100644
--- a/addons/account_voucher/voucher_payment_receipt_view.xml
+++ b/addons/account_voucher/voucher_payment_receipt_view.xml
@@ -294,7 +294,7 @@
             <field name="arch" type="xml">
                 <form string="Customer Payment">
                     <group col="6" colspan="4">
-                        <field name="partner_id" required="1" invisible="context.get('line_type', False)" on_change="onchange_partner_id(partner_id, journal_id, amount, currency_id, type, date, context)" string="Customer" context="{'search_default_customer': 1}"/>
+                        <field name="partner_id" domain="[('customer','=',True)]" required="1" invisible="context.get('line_type', False)" on_change="onchange_partner_id(partner_id, journal_id, amount, currency_id, type, date, context)" string="Customer" context="{'search_default_customer': 1}"/>
                         <field name="currency_id" invisible="1"/>
                         <field name="amount"
                             invisible="context.get('line_type', False)"
diff --git a/addons/account_voucher/voucher_sales_purchase_view.xml b/addons/account_voucher/voucher_sales_purchase_view.xml
index 7b18ea1d822..0cb3104f92e 100644
--- a/addons/account_voucher/voucher_sales_purchase_view.xml
+++ b/addons/account_voucher/voucher_sales_purchase_view.xml
@@ -82,7 +82,7 @@
             <field name="arch" type="xml">
                 <form string="Sales Receipt">
                     <group col="6" colspan="4">
-                        <field name="partner_id" required="1" on_change="onchange_partner_id(partner_id, journal_id, amount, currency_id, type, date, context)" string="Customer" context="{'search_default_customer': 1}"/>
+                        <field name="partner_id" domain="[('customer','=',True)]" required="1" on_change="onchange_partner_id(partner_id, journal_id, amount, currency_id, type, date, context)" string="Customer" context="{'search_default_customer': 1}"/>
                         <field name="date" on_change="onchange_date(date, currency_id, currency_id, amount, company_id, context)"/>
                         <field name="journal_id" domain="[('type','in',['sale','sale_refund'])]" widget="selection" on_change="onchange_journal(journal_id, line_cr_ids, tax_id, partner_id, date, amount, type, company_id, context)"/>
                         <field name="number"/>