diff --git a/addons/l10n_fr_fec/wizard/account_fr_fec.py b/addons/l10n_fr_fec/wizard/account_fr_fec.py
index bd8e4cc44c0..032baf2d971 100644
--- a/addons/l10n_fr_fec/wizard/account_fr_fec.py
+++ b/addons/l10n_fr_fec/wizard/account_fr_fec.py
@@ -265,7 +265,7 @@ class AccountFrFec(models.TransientModel):
         for row in self._cr.fetchall():
             listrow = list(row)
             account_id = listrow.pop()
-            w.writerow([s.encode("utf-8") for s in listrow])
+            w.writerow(listrow)
 
         # LINES
         sql_query = '''