diff --git a/debian/50gnm.py b/debian/50gnm.py
index 6d8278c..0f8056e 100644
--- a/debian/50gnm.py
+++ b/debian/50gnm.py
@@ -64,7 +64,7 @@ COMBO_PUBLIC_TEMPLATES.update({
 
 JSON_CELL_TYPES = {
   "velov": {
-    "url": "https://download.data.grandlyon.com/ws/rdata/jcd_jcdecaux.jcdvelov/all.json?field=gid&value=[gid]",
+    "url": "https://%(data_username)s:%(data_password)s@download.data.grandlyon.com/ws/rdata/jcd_jcdecaux.jcdvelov/all.json?field=gid&value=[gid]" % DATA_CREDENTIALS,
     "name": u"Velov",
     "cache_duration": 60,
     "force_async": False,