diff --git a/passerelle/contrib/lille_urban_card/models.py b/passerelle/contrib/lille_urban_card/models.py
index 0eb837a7..a0d6f10f 100644
--- a/passerelle/contrib/lille_urban_card/models.py
+++ b/passerelle/contrib/lille_urban_card/models.py
@@ -98,7 +98,8 @@ class LilleUrbanCard(BaseResource):
                     else:
                         services[service][attr] = 0
                 del data[key]
-        data['services'] = services.values()
+        if services:
+            data['services'] = services.values()
         response = self.requests.post(
                 urljoin(self.base_url, '/clu/ws/demanderCarte'),
                 json=data,