diff --git a/gestion/lock.py b/gestion/lock.py
index 039a7f59..e08d6798 100755
--- a/gestion/lock.py
+++ b/gestion/lock.py
@@ -22,6 +22,8 @@ def wait_lock(lock_name, lock_comment='', d=None):
     try:
         try:
             make_lock(lock_name, lock_comment, nowait=1, quiet=True)
+        except AssertionError:
+            raise
         except:
             print "*** Probleme lors de l'obtention du lock..."
             import traceback