diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index 21ef817b..79769195 100755
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -834,13 +834,13 @@ class base_classes_crans(crans_ldap) :
             self.modifs.append('blacklist_' + new[2])
 	    if not hasattr(self,"__blacklist_restart") :
 		self.__blacklist_restart={}
-	    if self.__blacklist_restart.has_key(new[2]) :
+	    if not self.__blacklist_restart.has_key(new[2]) :
 		self.__blacklist_restart[new[2]] = [ debut, fin ]
 	    else :
 		if debut not in self.__blacklist_restart[new[2]] :
-		    self.__blacklist_restart[new[2]].Append(debut)
+		    self.__blacklist_restart[new[2]].append(debut)
 		if fin!=-1 and fin not in self.__blacklist_restart[new[2]] :
-		    self.__blacklist_restart[new[2]].Append(fin)
+		    self.__blacklist_restart[new[2]].append(fin)
 		
         return liste