diff --git a/models/res_partner.py b/models/res_partner.py
index 8de07df37a1e44cbc1b2b3acfde5c02942935888..def7ebfbd4e085373904fea8f899298ab379500c 100644
--- a/models/res_partner.py
+++ b/models/res_partner.py
@@ -72,7 +72,8 @@ class ModelName(models.Model):
     # Adhésion à ETIC
     is_partner_member = fields.Boolean(
         string='Adhérent',
-        required=False)
+        required=False,
+        tracking=True)
     partner_membership_date = fields.Date(
         string='Date d\'adhésion',
         required=False)