diff --git a/gestion/gen_confs/generate.py b/gestion/gen_confs/generate.py
index 82476a32..5e6f3d7a 100755
--- a/gestion/gen_confs/generate.py
+++ b/gestion/gen_confs/generate.py
@@ -41,7 +41,7 @@ if os.getuid() != 0:
 signal.signal(signal.SIGINT,signal.SIG_IGN) # Pas de Ctrl-C
 
 db = crans_ldap()
-make_lock('auto_generate',0)
+make_lock('auto_generate','Big lock',nowait=1)
 
 ##### Options fournies ?
 try :