diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index c5ab8466..2aedf617 100755
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -1846,6 +1846,7 @@ class Adherent(BaseProprietaire):
         self.lock('chbre', new)
         
         self._set('chbre', [new])
+        self._set('postalAddress', [])
         return new
 
     def adresse(self, new=None):