diff --git a/data/grid5000/sites/bordeaux/clusters/bordereau/nodes/bordereau-41.json b/data/grid5000/sites/bordeaux/clusters/bordereau/nodes/bordereau-41.json
index 9c71e2fb44b5385ff32688c4bf770f8480a676cf..fd694ab3b6bd8e5e11f96d86977e7e7832992c72 100755
--- a/data/grid5000/sites/bordeaux/clusters/bordereau/nodes/bordereau-41.json
+++ b/data/grid5000/sites/bordeaux/clusters/bordereau/nodes/bordereau-41.json
@@ -12,7 +12,7 @@
   "chassis": {
     "manufacturer": "IBM",
     "name": "IBM System x3455-[7986Z1J]-",
-    "serial": null
+    "serial": "KDDDRYB"
   },
   "gpu": {
     "gpu": false
diff --git a/generators/input/sites/bordeaux/clusters/bordereau.yaml b/generators/input/sites/bordeaux/clusters/bordereau.yaml
index a2ebf6b796fecfb161c441bdc3d397c521592a2e..2d42e02a8de15c4af95ec98297b9b1aa7710395b 100644
--- a/generators/input/sites/bordeaux/clusters/bordereau.yaml
+++ b/generators/input/sites/bordeaux/clusters/bordereau.yaml
@@ -2601,7 +2601,7 @@ bordereau-41:
       rev: P21O
       vendor: Hitachi
   chassis:
-    serial_number:
+    serial_number: KDDDRYB
     manufacturer: IBM
     product_name: IBM System x3455-[7986Z1J]-
   supported_job_types: