diff --git a/addons/account_voucher/models/account_voucher.py b/addons/account_voucher/models/account_voucher.py
index d677a6490e5..ae3fb6eaf07 100644
--- a/addons/account_voucher/models/account_voucher.py
+++ b/addons/account_voucher/models/account_voucher.py
@@ -345,6 +345,20 @@ class AccountVoucherLine(models.Model):
             taxes = self.tax_ids.compute_all(self.price_unit, self.voucher_id.currency_id, self.quantity, product=self.product_id, partner=self.voucher_id.partner_id)
             self.price_subtotal = taxes['total_excluded']
 
+    @api.onchange('product_id', 'voucher_id', 'price_unit', 'company_id')
+    def _onchange_line_details(self):
+        if not self.voucher_id or not self.product_id or not self.voucher_id.partner_id:
+            return
+        onchange_res = self.product_id_change(
+            self.product_id.id,
+            self.voucher_id.partner_id.id,
+            self.price_unit,
+            self.company_id.id,
+            self.voucher_id.currency_id.id,
+            self.voucher_id.voucher_type)
+        for fname, fvalue in onchange_res['values'].iteritems():
+            setattr(self, fname, fvalue)
+
     def _get_account(self, product, fpos, type):
         accounts = product.product_tmpl_id.get_product_accounts(fpos)
         if type == 'sale':
@@ -353,6 +367,7 @@ class AccountVoucherLine(models.Model):
 
     @api.multi
     def product_id_change(self, product_id, partner_id=False, price_unit=False, company_id=None, currency_id=None, type=None):
+        # TDE note: mix of old and new onchange badly written in 9, multi but does not use record set
         context = self._context
         company_id = company_id if company_id is not None else context.get('company_id', False)
         company = self.env['res.company'].browse(company_id)
diff --git a/addons/account_voucher/views/account_voucher_views.xml b/addons/account_voucher/views/account_voucher_views.xml
index 2bdf99ec1e9..15c2d0a1749 100644
--- a/addons/account_voucher/views/account_voucher_views.xml
+++ b/addons/account_voucher/views/account_voucher_views.xml
@@ -100,8 +100,7 @@
             <field name="model">account.voucher.line</field>
             <field name="arch" type="xml">
                 <tree string="Voucher Lines" editable="bottom">
-                    <field name="product_id"
-                        on_change="product_id_change(product_id, parent.partner_id, price_unit, company_id, parent.currency_id, parent.voucher_type)" />
+                    <field name="product_id"/>
                     <field name="name"/>
                     <field name="account_id"/>
                     <field name="account_analytic_id" domain="[('company_id', '=', company_id)]" groups="analytic.group_analytic_accounting"/>
@@ -248,8 +247,7 @@
                         <page string="Sales Information">
                             <field name="line_ids">
                                 <tree string="Voucher Lines" editable="bottom">
-                                    <field name="product_id"
-                                        on_change="product_id_change(product_id, parent.partner_id, price_unit, company_id, parent.currency_id, parent.voucher_type)" />
+                                    <field name="product_id"/>
                                     <field name="name"/>
                                     <field name="account_id"/>
                                     <field name="account_analytic_id" domain="[('company_id', '=', parent.company_id)]" groups="analytic.group_analytic_accounting"/>
@@ -365,8 +363,7 @@
                         <page string="Bill Information">
                             <field name="line_ids">
                                 <tree string="Voucher Lines" editable="bottom">
-                                    <field name="product_id"
-                                        on_change="product_id_change(product_id, parent.partner_id, price_unit, company_id, parent.currency_id, parent.voucher_type)" />
+                                    <field name="product_id"/>
                                     <field name="name"/>
                                     <field name="account_id"/>
                                     <field name="account_analytic_id" domain="[('company_id', '=', parent.company_id)]" groups="analytic.group_analytic_accounting"/>