diff --git a/addons/account/account_invoice.py b/addons/account/account_invoice.py
index 455feb14afb..31dc846fb77 100644
--- a/addons/account/account_invoice.py
+++ b/addons/account/account_invoice.py
@@ -712,7 +712,7 @@ class account_invoice(models.Model):
             for tax in self.tax_line:
                 if tax.manual:
                     continue
-                key = (tax.tax_code_id.id, tax.base_code_id.id, tax.account_id.id, tax.account_analytic_id.id)
+                key = (tax.tax_code_id.id, tax.base_code_id.id, tax.account_id.id)
                 tax_key.append(key)
                 if key not in compute_taxes:
                     raise except_orm(_('Warning!'), _('Global taxes defined, but they are not in invoice lines !'))
@@ -1549,7 +1549,7 @@ class account_invoice_tax(models.Model):
                     val['account_id'] = tax['account_paid_id'] or line.account_id.id
                     val['account_analytic_id'] = tax['account_analytic_paid_id']
 
-                key = (val['tax_code_id'], val['base_code_id'], val['account_id'], val['account_analytic_id'])
+                key = (val['tax_code_id'], val['base_code_id'], val['account_id'])
                 if not key in tax_grouped:
                     tax_grouped[key] = val
                 else: