diff --git a/models/res_partner.py b/models/res_partner.py
index f871676f7bdf76cb7c242eacc8f47da30f510ba5..c093442455a35ba7b914bc4a273ae105df5fef83 100644
--- a/models/res_partner.py
+++ b/models/res_partner.py
@@ -58,10 +58,9 @@ class ScopPartner(models.Model):
         compute='_compute_membership', store=True)
     member_number = fields.Char(
         "No adhérent (texte)",
-        compute='_compute_membership', store=True)
+        compute='_compute_membership_number', store=True)
     member_number_int = fields.Integer(
-        "No adhérent",
-        compute='_compute_membership_int', store=True, group_operator="")
+        "No adhérent", group_operator="")
     member_start_stat = fields.Date(
         "Date d'adhésion statistique",
         compute='_compute_membership', store=True)
@@ -847,7 +846,6 @@ class ScopPartner(models.Model):
 
     @api.depends('membership_period_ids',
                  'membership_period_ids.end_reason_id',
-                 'membership_period_ids.number',
                  'membership_period_ids.end')
     @api.multi
     def _compute_membership(self):
@@ -857,26 +855,24 @@ class ScopPartner(models.Model):
                 [('partner_id', '=', partner.id),
                  ('type_id', '=', type_cg)],
                 limit=1,
-                order='start desc')
+                order='start,id desc')
             if (last_membership_period
                     and not last_membership_period.end):
                 partner.membership_status = "member"
-                partner.member_number = last_membership_period.number
                 partner.member_start_stat = last_membership_period.start_stat
                 partner.member_start = last_membership_period.start
             elif (last_membership_period
                   and last_membership_period.end_reason_id):
                 partner.membership_status = "out"
-                partner.member_number = last_membership_period.number
             else:
                 partner.membership_status = "not_member"
 
-    @api.depends('member_number')
+    @api.depends('member_number_int')
     @api.multi
-    def _compute_membership_int(self):
+    def _compute_membership_number(self):
         for partner in self:
-            if partner.member_number:
-                partner.member_number_int = int(partner.member_number)
+            if partner.member_number_int:
+                partner.member_number = str(partner.member_number_int)
 
     @api.depends('membership_period_ids',
                  'membership_period_ids.end')