diff --git a/addons/account_payment/account_invoice.py b/addons/account_payment/account_invoice.py
index 7138540fa3b..60085a890c7 100644
--- a/addons/account_payment/account_invoice.py
+++ b/addons/account_payment/account_invoice.py
@@ -20,12 +20,29 @@
 ##############################################################################
 
 from datetime import datetime
-
+from tools.translate import _
 from osv import fields, osv
 
 class Invoice(osv.osv):
     _inherit = 'account.invoice'
 
+    # Forbid to cancel an invoice if the related move lines have already been
+    # used in a payment order. The risk is that importing the payment line
+    # in the bank statement will result in a crash cause no more move will
+    # be found in the payment line
+    def action_cancel(self, cr, uid, ids, *args):
+        payment_line_obj = self.pool.get('payment.line')
+        invoices = self.browse(cr, uid, ids)
+        for inv in invoices:
+            inv_mv_lines = map(lambda x: x.id, inv.move_id.line_id)
+            pl_line_ids = payment_line_obj.search(cr, uid, [('move_line_id','in',inv_mv_lines)])
+            if pl_line_ids:
+                pay_line = payment_line_obj.browse(cr,uid,pl_line_ids)
+                payment_order_name = ','.join(map(lambda x: x.order_id.reference, pay_line))
+                raise osv.except_osv(_('Error!'), _("You cannot cancel an invoice which has already been imported in a payment order. Remove it from the following payment order : %s."%(payment_order_name)))
+        result = super(Invoice, self).action_cancel(cr, uid, ids, *args)
+        return result
+
     def _amount_to_pay(self, cursor, user, ids, name, args, context=None):
         '''Return the amount still to pay regarding all the payment orders'''
         if not ids: