diff --git a/account_statement_ext/statement.py b/account_statement_ext/statement.py
index f8762054..03e1c31c 100644
--- a/account_statement_ext/statement.py
+++ b/account_statement_ext/statement.py
@@ -31,9 +31,10 @@ def fixed_write(self, cr, uid, ids, vals, context=None):
     I will do it when I have time."""
     res = super(stat_mod.account_bank_statement, self).write(cr, uid, ids,
                                                              vals, context=context)
-    cr.execute("UPDATE account_bank_statement_line"
-               " SET sequence = account_bank_statement_line.id + 1"
-               " where statement_id in %s", (tuple(ids),))
+    if ids: # will be false for an new empty bank statement
+        cr.execute("UPDATE account_bank_statement_line"
+                   " SET sequence = account_bank_statement_line.id + 1"
+                   " where statement_id in %s", (tuple(ids),))
     return res
 stat_mod.account_bank_statement.write = fixed_write