diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
index 32c64ff6ffdd3f2cc77316dc322a81058fca20cb..0e645a649e9919a5377f90f4c38a9c13550db6a1 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
@@ -179,7 +179,7 @@
       "interface": "Ethernet",
       "ip": "172.17.77.1",
       "kavlan": false,
-      "mac": "f4:02:70:c8:44:e8",
+      "mac": "4c:d9:8f:32:51:4e",
       "management": true,
       "mountable": false,
       "mounted": false,
diff --git a/input/grid5000/sites/nancy/clusters/grue/nodes/grue-1.yaml b/input/grid5000/sites/nancy/clusters/grue/nodes/grue-1.yaml
index fc5cc25715cb31de861e9de53eaf02211ebccd02..6f6751ece528e19efaccd570ef12521bbf150b8f 100644
--- a/input/grid5000/sites/nancy/clusters/grue/nodes/grue-1.yaml
+++ b/input/grid5000/sites/nancy/clusters/grue/nodes/grue-1.yaml
@@ -54,7 +54,7 @@ grue-1:
   network_adapters:
     bmc:
       ip: 172.17.77.1
-      mac: f4:02:70:c8:44:e8
+      mac: 4c:d9:8f:32:51:4e
       management: true
     eth0:
       driver: i40e