diff --git a/data/grid5000/sites/sophia/clusters/esterel5/esterel5.json b/data/grid5000/sites/sophia/clusters/esterel5/esterel5.json
index e9f27030e71d57d83f141cbe355307cdf1b90600..3ae543adf4b437f84602b8c53204247890c07716 100644
--- a/data/grid5000/sites/sophia/clusters/esterel5/esterel5.json
+++ b/data/grid5000/sites/sophia/clusters/esterel5/esterel5.json
@@ -79,6 +79,8 @@
     }
   ],
   "model": "Dell PowerEdge T630",
+  "nodes_count": 2,
+  "nodes_description": "2 CPUs Intel Xeon E5-2630 v4, 10 cores/CPU, 3 GPUs GeForce GTX 1080, 128GB RAM, 1862GB HDD, 1489GB HDD, 1 x 1Gb Ethernet, 1 x 40Gb InfiniBand",
   "priority": 201706,
   "queues": [
     "admin",