diff --git a/account_statement_ext/__openerp__.py b/account_statement_ext/__openerp__.py
index 0cac0b66..0ca3951b 100644
--- a/account_statement_ext/__openerp__.py
+++ b/account_statement_ext/__openerp__.py
@@ -27,7 +27,8 @@
  'complexity': 'normal',
  'depends': [
      'account',
-     'report_webkit'
+     'report_webkit',
+     'account_voucher'
      ],
  'description': """
  Improve the basic bank statement, by adding various new features,
diff --git a/account_statement_ext/statement.py b/account_statement_ext/statement.py
index b77e77ca..6940d16a 100644
--- a/account_statement_ext/statement.py
+++ b/account_statement_ext/statement.py
@@ -549,7 +549,7 @@ class AccountBankSatementLine(Model):
             res['account_id'] = receiv_account
         return res
 
-    def onchange_partner_id(self, cr, uid, ids, partner_id, profile_id, context=None):
+    def onchange_partner_id(self, cr, uid, ids, partner_id, profile_id=None, context=None):
         """
         Override of the basic method as we need to pass the profile_id in the on_change_type
         call.
@@ -569,8 +569,9 @@ class AccountBankSatementLine(Model):
                 type = 'customer'
         res_type = self.onchange_type(cr, uid, ids, partner_id, type, profile_id, context=context)  # Chg
         if res_type['value'] and res_type['value'].get('account_id', False):
-            return {'value': {'type': type, 'account_id': res_type['value']['account_id']}}
-        return {'value': {'type': type}}
+            return {'value': {'type': type, 'account_id': res_type['value']['account_id'],
+                              'voucher_id': False}}
+        return {'value': {'type': type}} 
 
     def onchange_type(self, cr, uid, line_id, partner_id, type, profile_id, context=None):
         """