diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index 5c56630d..a1a6068a 100755
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -2047,7 +2047,7 @@ class machine(base_classes_crans) :
         if clef == 1 :
             # Génération
             clef = ''
-            for i in range(14) :
+            for i in range(20) :
                 clef += random.choice(filter(lambda x: x != 'l', string.lowercase) + 
                                       filter(lambda x: x != '1', string.digits))