diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-10.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-10.json
index e7f3a0c58af8ae9f838bf520fa207247b173bc93..f85f0c1512916348652157a6b2eb040a023fbb8f 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-10.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-10.json
@@ -16,7 +16,7 @@
   "chassis": {
     "manufacturer": "Dell Inc.",
     "name": "PowerEdge 1950",
-    "serial": "79N983J"
+    "serial": "DELL"
   },
   "gpu": {
     "gpu": false
diff --git a/generators/input/sites/luxembourg/clusters/granduc_generated.yaml b/generators/input/sites/luxembourg/clusters/granduc_generated.yaml
index e56055f8f302595a55be366fd89437a98f3a1def..91190a5086a681e59e692822ae513ed1123f4a75 100644
--- a/generators/input/sites/luxembourg/clusters/granduc_generated.yaml
+++ b/generators/input/sites/luxembourg/clusters/granduc_generated.yaml
@@ -797,7 +797,7 @@ granduc-10:
       rev: S207
       vendor: SEAGATE
   chassis:
-    serial_number: 79N983J
+    serial_number: DELL
     manufacturer: Dell Inc.
     product_name: PowerEdge 1950
   supported_job_types: