diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index a0733d10..d023d7c0 100755
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -685,16 +685,18 @@ class base_classes_crans(crans_ldap) :
 	    try : time.strptime(new[1],date_format)
 	    except : raise ValueError(u'Date de fin blacklist invalide')
 	    
-	new = ','.join(new)
-        new = preattr(new)[1]
+	new_c = ','.join(new)
+        new_c = preattr(new_c)[1]
 	
 	if index!=-1 : 
-	    liste[index] = new
+	    liste[index] = new_c
 	else :
-	    liste = liste + [ new ]
+	    liste = liste + [ new_c ]
 	    
-	self._set('blacklist',liste)
-        
+	if self._data['blacklist'] != liste :
+	    self._data['blacklist']=liste
+	    self.modifs.append('blacklist_' + new[2])
+	
 	return liste
     
     def restore(self) :
@@ -838,12 +840,11 @@ class base_classes_crans(crans_ldap) :
 				   'hostAlias' : [ 'dns' ] ,
 				   'droits' : [ 'droits' ] ,
 				   'ports' : [ 'firewall-komaz' ] ,
-				   'blacklist' : [ 'blacklistes' ] ,
 				   }
 				   
 	serv = []
 	for m in self.modifs :
-	    for s in annuaire_modif_service.get(m,[]) :
+	    for s in annuaire_modif_service.get(m,[m]) :
 		if s not in serv :
 		    serv.append(s)