diff --git a/data/grid5000/sites/luxembourg/clusters/vianden/vianden.json b/data/grid5000/sites/luxembourg/clusters/vianden/vianden.json
index 39863b8b67fac1a13cbc87591e4c448144ee3475..277ebe4f530eeb937526b098949d32ddd6993f75 100644
--- a/data/grid5000/sites/luxembourg/clusters/vianden/vianden.json
+++ b/data/grid5000/sites/luxembourg/clusters/vianden/vianden.json
@@ -8,6 +8,8 @@
 
   ],
   "model": "Dell PowerEdge XE9680",
+  "nodes_count": 1,
+  "nodes_description": "2 CPUs Intel Xeon Platinum 8470, 52 cores/CPU, 2048GB RAM, 2980GB SSD, 1 x 10Gb Ethernet",
   "priority": 202407,
   "queues": [
     "admin",