diff --git a/bda/urls.py b/bda/urls.py
index 0af14b53..df660740 100644
--- a/bda/urls.py
+++ b/bda/urls.py
@@ -47,6 +47,6 @@ urlpatterns = [
     url(r'^mails-rappel/(?P<spectacle_id>\d+)$', views.send_rappel),
     url(r'^descriptions/(?P<tirage_id>\d+)$', views.descriptions_spectacles,
         name='bda-descriptions'),
-    url(r'^catalogue/(?P<request_type>[a-z]*)$', views.catalogue,
+    url(r'^catalogue/(?P<request_type>[a-z]+)$', views.catalogue,
         name='bda-catalogue'),
 ]