diff --git a/addons/hr_expense/hr_expense.py b/addons/hr_expense/hr_expense.py
index adf0137969f..ada83fd5755 100644
--- a/addons/hr_expense/hr_expense.py
+++ b/addons/hr_expense/hr_expense.py
@@ -133,12 +133,10 @@ class hr_expense_expense(osv.osv):
         for id in ids:
             wf_service.trg_validate(uid, 'hr.expense.expense', id, 'invoice', cr)
             inv_ids.append(self.browse(cr, uid, id).invoice_id.id)
-            if not inv_ids:
-                raise osv.except_osv(_('Error'), _('No Invoices were created'))
         return {
             'name': 'Supplier Invoices',
             'view_type': 'form',
-            'view_mode': 'tree,form',
+            'view_mode': 'form',
             'view_id': [res_id],
             'res_model': 'account.invoice',
             'context': "{'type':'out_invoice', 'journal_type': 'purchase'}",