diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index fe80db34..09fc4701 100644
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -3804,7 +3804,15 @@ class _FakeProprio(CransLdap):
         self.dn = self.base_dn
     def id(self):
         return ''
-    def blacklist(self):
+    def blacklist(self, new=None):
+        if new is not None:
+            print >>sys.stderr, u"Tentative d'ajout de blacklist à un propriétaire virtuel :"
+            try:
+                print >>sys.stderr, u"Nom : %s" % self.Nom()
+            except AttributeError:
+                print >>sys.stderr, u"Impossible de récupérer le nom..."
+            print >>sys.stderr, u"Blacklist :"
+            print >>sys.stderr, blacklist
         return []
     def paiement(self):
         return [ ann_scol ]