diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index d023d7c0..01ae272e 100755
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -844,9 +844,12 @@ class base_classes_crans(crans_ldap) :
 				   
 	serv = []
 	for m in self.modifs :
-	    for s in annuaire_modif_service.get(m,[m]) :
-		if s not in serv :
-		    serv.append(s)
+	    if sre.match('blacklist_*',m) :
+		serv.append(m)
+	    else :
+		for s in annuaire_modif_service.get(m,[]) :
+		    if s not in serv :
+			serv.append(s)
 		    
 	# Reinitialisation
 	self._init_data = self._data.copy()