diff --git a/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-80.json b/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-80.json
index 9169357c74ad96451df8177c7bc00cdc99d6f765..5975c2f17735c178b85641bb8d5652e727d1cc7b 100644
--- a/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-80.json
+++ b/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-80.json
@@ -20,7 +20,7 @@
       "enabled": true,
       "interface": "Ethernet",
       "ip": "172.16.65.80",
-      "mac": "00:E0:81:B2:BF:EE",
+      "mac": "00:E0:81:B2:C1:F6",
       "management": false,
       "mountable": true,
       "mounted": true,
diff --git a/generators/input/nancy-griffon.yaml b/generators/input/nancy-griffon.yaml
index 63bcf827de519e505829d7dfdc99e58800b479d8..e4741bc0d818e35de1a48a927dadb8e6b59bcd4e 100644
--- a/generators/input/nancy-griffon.yaml
+++ b/generators/input/nancy-griffon.yaml
@@ -2217,7 +2217,7 @@ griffon-79:
   disk_vend: ATA
 griffon-80:
   serial: "812530085"
-  mac_eth0: 00:E0:81:B2:BF:EE
+  mac_eth0: 00:E0:81:B2:C1:F6
   mac_ib: C90300031800
   mac_eth1: 00:E0:81:B2:BF:EF
   pdu: griffon-pdu5