diff --git a/addons/account_voucher/account_voucher.py b/addons/account_voucher/account_voucher.py
index bbd8976f36c..d6869e1f7dd 100644
--- a/addons/account_voucher/account_voucher.py
+++ b/addons/account_voucher/account_voucher.py
@@ -1645,6 +1645,13 @@ account_bank_statement()
 
 class account_bank_statement_line(osv.osv):
     _inherit = 'account.bank.statement.line'
+    
+    def onchange_line_date(self, cr, uid, ids, date, context=None):
+        voucher_obj = self.pool.get('account.voucher')
+        for statement_line in self.browse(cr, uid, ids, context=context):
+            if statement_line.voucher_id:
+                voucher_obj.write(cr, uid, [statement_line.voucher_id.id], {'date': date}, context=context)
+        return {}
 
     def onchange_partner_id(self, cr, uid, ids, partner_id, context=None):
         res = super(account_bank_statement_line, self).onchange_partner_id(cr, uid, ids, partner_id, context=context)
diff --git a/addons/account_voucher/account_voucher_view.xml b/addons/account_voucher/account_voucher_view.xml
index 4674d62b6a0..e8deccdb412 100644
--- a/addons/account_voucher/account_voucher_view.xml
+++ b/addons/account_voucher/account_voucher_view.xml
@@ -221,6 +221,9 @@
                 <field name="amount" position="attributes">
                     <attribute name="on_change">onchange_amount(amount)</attribute>
                 </field>
+                <xpath expr="//page[@name='statement_line_ids']/field[@name='line_ids']/tree/field[@name='date']" position="attributes">
+                    <attribute name="on_change">onchange_line_date(date)</attribute>
+                </xpath>
             </field>
         </record>
 
diff --git a/addons/account_voucher/wizard/account_statement_from_invoice.py b/addons/account_voucher/wizard/account_statement_from_invoice.py
index fce251df175..289a110fdbd 100644
--- a/addons/account_voucher/wizard/account_statement_from_invoice.py
+++ b/addons/account_voucher/wizard/account_statement_from_invoice.py
@@ -94,7 +94,7 @@ class account_statement_from_invoice_lines(osv.osv_memory):
                             'account_id': result['value'].get('account_id', statement.journal_id.default_credit_account_id.id),
                             'company_id': statement.company_id.id,
                             'currency_id': statement.currency.id,
-                            'date': line.date,
+                            'date': statement.date,
                             'amount': sign*amount,
                             'payment_rate': result['value']['payment_rate'],
                             'payment_rate_currency_id': result['value']['payment_rate_currency_id'],
@@ -119,7 +119,7 @@ class account_statement_from_invoice_lines(osv.osv_memory):
                 'statement_id': statement_id,
                 'ref': line.ref,
                 'voucher_id': voucher_id,
-                'date': time.strftime('%Y-%m-%d'),
+                'date': statement.date,
             }, context=context)
         return {'type': 'ir.actions.act_window_close'}