diff --git a/jm2l/views.py b/jm2l/views.py
index 90c4c32..8deacb2 100644
--- a/jm2l/views.py
+++ b/jm2l/views.py
@@ -301,6 +301,7 @@ def tasks(request):
             DBSession.merge(Task)
         else:
             DBSession.add(Task)
+        DBSession.flush()
         return HTTPFound(location=request.route_url('list_task')+"#"+slugify(Task.area.name))
     return {'form':form }