diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index beea89f6..a2b78759 100755
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -1700,7 +1700,7 @@ class BaseProprietaire(BaseClasseCrans):
                         self.services_to_restart('rouge-dhcp')
 
             # Vérification si changement de bât, ce qui obligerai un changement d'IP
-            if 'chbre' in self.modifs and self.chbre() != '????':
+            if 'adherentPayant' in self.modifs or 'chbre' in self.modifs and self.chbre() != '????':
                 # Verif si machines avec bonnes ip
                 err = 0
                 for m in self.machines():