diff --git a/addons/account_voucher/voucher.py b/addons/account_voucher/voucher.py
index 3a9855e35f3..b898adf68bf 100644
--- a/addons/account_voucher/voucher.py
+++ b/addons/account_voucher/voucher.py
@@ -254,7 +254,7 @@ class account_voucher(osv.osv):
             })
         return {'value':default}
     
-    def onchange_journal_voucher(self, cr, uid, ids, partner_id=False, journal_id=False, context={}):
+    def onchange_journal_voucher(self, cr, uid, ids, line_ids=False, tax_id=False, price=0.0, partner_id=False, journal_id=False, ttype=False, context={}):
         """price
         Returns a dict that contains new values and context
     
@@ -290,9 +290,13 @@ class account_voucher(osv.osv):
 
         default['value']['account_id'] = account_id
         default['value']['type'] = tr_type
+        
+        vals = self.onchange_journal(cr, uid, ids, journal_id, line_ids, tax_id, partner_id, context)
+        default['value'].update(vals.get('value'))
+        
         return default
     
-    def onchange_partner_id(self, cr, uid, ids, partner_id, journal_id=False, price=0.0, currency_id=False, ttype=False, context={}):
+    def onchange_partner_id(self, cr, uid, ids, partner_id, journal_id, price, currency_id, ttype, context):
         """price
         Returns a dict that contains new values and context
     
diff --git a/addons/account_voucher/voucher_sales_purchase_view.xml b/addons/account_voucher/voucher_sales_purchase_view.xml
index 9a55d5e4f83..f40e2088d63 100644
--- a/addons/account_voucher/voucher_sales_purchase_view.xml
+++ b/addons/account_voucher/voucher_sales_purchase_view.xml
@@ -40,7 +40,6 @@
             </field>
         </record>
 
-
         <record id="view_voucher_filter_sale" model="ir.ui.view">
             <field name="name">account.voucher.sale.select</field>
             <field name="model">account.voucher</field>
@@ -80,7 +79,6 @@
             </field>
         </record>
 
-
         <record id="act_pay_voucher" model="ir.actions.act_window">
             <field name="name">Sales Payment</field>
             <field name="res_model">account.voucher</field>
@@ -216,7 +214,7 @@
                     </group>
                     <notebook colspan="4">
                         <page string="Bill Information">
-                            <field name="line_dr_ids" on_change="onchange_price(line_dr_ids, False, parent.partner_id)" default_get="{'journal_id':journal_id,'partner_id':partner_id}" colspan="4" nolabel="1" height="180">
+                            <field name="line_dr_ids" on_change="onchange_price(line_dr_ids, tax_id, partner_id)" default_get="{'journal_id':journal_id,'partner_id':partner_id}" colspan="4" nolabel="1" height="180">
                                 <tree string="Expense Lines" editable="bottom">
                                     <field name="account_id" widget="selection" domain="[('user_type.report_type','=','expense'), ('type','!=','view')]"/>
                                     <field name="name"/>
diff --git a/addons/account_voucher/voucher_view.xml b/addons/account_voucher/voucher_view.xml
index 94f7f18c4a0..29008201992 100644
--- a/addons/account_voucher/voucher_view.xml
+++ b/addons/account_voucher/voucher_view.xml
@@ -28,8 +28,8 @@
             <field name="arch" type="xml">
                 <form string="Accounting Voucher">
                     <group col="6" colspan="4">
-                        <field name="partner_id" required="1" on_change="onchange_journal_voucher(partner_id, journal_id)"/>
-                        <field name="journal_id" widget="selection" select="1" on_change="onchange_journal_voucher(partner_id, journal_id)"/>
+                        <field name="partner_id" required="1" on_change="onchange_journal_voucher(line_ids, tax_id, amount, partner_id, journal_id, type)"/>
+                        <field name="journal_id" widget="selection" select="1" on_change="onchange_journal_voucher(line_ids, tax_id, amount, partner_id, journal_id, type)"/>
                         <field name="type" required="1"/>
                         <field name="name" colspan="4"/>
                         <field name="reference" select="1"/>
@@ -37,7 +37,7 @@
                     </group>
                     <notebook colspan="4">
                         <page string="Voucher Entry">
-                            <field name="line_ids" default_get="{'journal_id':journal_id, 'type':type, 'partner_id':partner_id}" colspan="4" nolabel="1" height="180">
+                            <field name="line_ids" on_change="onchange_price(line_ids, tax_id, partner_id)" default_get="{'journal_id':journal_id, 'type':type, 'partner_id':partner_id}" colspan="4" nolabel="1" height="180">
                                 <tree string="Voucher Items" editable="bottom">
                                     <field name="account_id"/>
                                     <field name="name"/>
@@ -59,7 +59,7 @@
                                 </group>
                                 <group col="4" colspan="1" attrs="{'invisible':[('type','in',['payment', 'receipt', False])]}">
                                     <separator string="Total" colspan="4"/>
-                                    <field name="tax_id" on_change="onchange_price(line_cr_ids, tax_id, partner_id)" widget="selection" domain="[('type_tax_use','in',('sale','all'))]"/><field name="tax_amount" nolabel="1"/><button type="object" icon="terp-stock_format-scientific" name="compute_tax" groups="base.group_extended" string="Compute Tax" attrs="{'invisible': [('state','!=','draft')]}"/>
+                                    <field name="tax_id" on_change="onchange_price(line_ids, tax_id, partner_id)" widget="selection" domain="[('type_tax_use','in',('all'))]"/><field name="tax_amount" nolabel="1"/><button type="object" icon="terp-stock_format-scientific" name="compute_tax" groups="base.group_extended" string="Compute Tax" attrs="{'invisible': [('state','!=','draft')]}"/>
                                     <label colspan="1" string=""/><field name="amount" string="Total"/>
                                 </group>
                             </group>