diff --git a/customer_activity_statement/report/customer_activity_statement.py b/customer_activity_statement/report/customer_activity_statement.py
index ee5dafe6..ca226f73 100644
--- a/customer_activity_statement/report/customer_activity_statement.py
+++ b/customer_activity_statement/report/customer_activity_statement.py
@@ -190,7 +190,7 @@ class CustomerActivityStatement(models.AbstractModel):
                                 ) AND l.date <= '%s' AND not l.blocked
             GROUP BY l.partner_id, l.currency_id, l.date, l.date_maturity,
                                 l.amount_currency, l.balance, l.move_id,
-                                l.company_id
+                                l.company_id, l.id
         """ % (self._get_reconcile_date(), date_end,
                self._get_reconcile_date(), date_end, partners,
                date_end, date_end, date_end)
diff --git a/customer_outstanding_statement/report/customer_outstanding_statement.py b/customer_outstanding_statement/report/customer_outstanding_statement.py
index 4fb3ab26..b0b905df 100644
--- a/customer_outstanding_statement/report/customer_outstanding_statement.py
+++ b/customer_outstanding_statement/report/customer_outstanding_statement.py
@@ -186,7 +186,7 @@ class CustomerOutstandingStatement(models.AbstractModel):
                                 ) AND l.date <= '%s' AND not l.blocked
             GROUP BY l.partner_id, l.currency_id, l.date, l.date_maturity,
                                 l.amount_currency, l.balance, l.move_id,
-                                l.company_id
+                                l.company_id, l.id
         """ % (self._get_reconcile_date(), date_end,
                self._get_reconcile_date(), date_end, partners,
                date_end, date_end, date_end)