diff --git a/data/grid5000/sites/nancy/servers/grdix-srv.json b/data/grid5000/sites/nancy/servers/grdix-srv.json
index 328f81bf8e5cb3727e6d5ddc27da59726284fcc6..f36db466fce8f54495a981f0ae3da6609d5dedce 100644
--- a/data/grid5000/sites/nancy/servers/grdix-srv.json
+++ b/data/grid5000/sites/nancy/servers/grdix-srv.json
@@ -7,7 +7,7 @@
     },
     "default": {
       "ip": "172.16.79.31",
-      "mac": "bc:d7:a5:67:87:bb"
+      "mac": "9c:63:c0:aa:4e:08"
     }
   },
   "redfish": true,
diff --git a/input/grid5000/sites/nancy/servers/physical.yaml b/input/grid5000/sites/nancy/servers/physical.yaml
index 592399747a03a7aab1b87ab50b8c8df53360ff8d..03910ec4b2cc4fe7cb6316f1d816243bdbaa306c 100644
--- a/input/grid5000/sites/nancy/servers/physical.yaml
+++ b/input/grid5000/sites/nancy/servers/physical.yaml
@@ -86,7 +86,7 @@ grdix-srv:
   network_adapters:
     default:
       ip: 172.16.79.31
-      mac: bc:d7:a5:67:87:bb
+      mac: 9c:63:c0:aa:4e:08
     bmc:
       ip: 172.17.79.31
       mac: 7c:a6:2a:4e:66:80