diff --git a/models/lefilament_tdb.py b/models/lefilament_tdb.py
index 804042ee4240733b2bc97139b88db48060372765..826febc2bd3e3888b486efa228f21bca50c2fc7e 100644
--- a/models/lefilament_tdb.py
+++ b/models/lefilament_tdb.py
@@ -230,7 +230,8 @@ class LeFilamentTdb(models.Model):
 					sum(montant)
 					from previ_treso
 					where periode != 1
-					group by periode;""")
+					group by periode
+					order by periode;""")
 		charges_periode = self._cr.dictfetchall()
 
 		self._cr.execute("""SELECT to_char(date_trunc('month', date),'YYYY-MM') as mois,