diff --git a/addons/account/account_cash_statement.py b/addons/account/account_cash_statement.py
index f01e95ce613..0540d57a400 100644
--- a/addons/account/account_cash_statement.py
+++ b/addons/account/account_cash_statement.py
@@ -80,7 +80,8 @@ class account_cash_statement(osv.osv):
             if (statement.journal_id.type not in ('cash',)):
                 continue
             if not statement.journal_id.cash_control:
-                statement.write({'balance_end_real' : statement.balance_end})
+                if statement.balance_end_real <> statement.balance_end:
+                    statement.write({'balance_end_real' : statement.balance_end})
                 continue
             start = end = 0
             for line in statement.details_ids: