diff --git a/addons/hr_expense/hr_expense.py b/addons/hr_expense/hr_expense.py
index 93d268cb827..1e6e18f518e 100644
--- a/addons/hr_expense/hr_expense.py
+++ b/addons/hr_expense/hr_expense.py
@@ -125,6 +125,9 @@ class hr_expense_expense(osv.osv):
                     tax_id = [x.id for x in l.product_id.supplier_taxes_id]
                 else:
                     acc = self.pool.get('ir.property').get(cr, uid, 'property_account_expense_categ', 'product.category')
+                    if not acc:
+                        raise osv.except_osv(_('Error !'), _('Please configure Default Expanse account for Product purchase, `property_account_expense_categ`'))
+                    
                 lines.append((0, False, {
                     'name': l.name,
                     'account_id': acc,