diff --git a/data/grid5000/sites/grenoble/clusters/servan/nodes/servan-2.json b/data/grid5000/sites/grenoble/clusters/servan/nodes/servan-2.json
index 7880ecea32cd8aaa696b968c76c36b54de205937..47b35dadc3cdf891b17bf320cf436fbe7ffa8e3e 100644
--- a/data/grid5000/sites/grenoble/clusters/servan/nodes/servan-2.json
+++ b/data/grid5000/sites/grenoble/clusters/servan/nodes/servan-2.json
@@ -197,7 +197,7 @@
       "ip": "172.16.23.2",
       "ip6": "2001:660:4406:100:8::2",
       "kavlan": true,
-      "mac": "40:a6:b7:6b:13:40",
+      "mac": "ec:2a:72:40:57:36",
       "management": false,
       "model": "Ethernet Controller E810-C for SFP",
       "mountable": true,
@@ -268,7 +268,7 @@
       "interface": "Ethernet",
       "ip": "172.17.23.2",
       "kavlan": false,
-      "mac": "b0:7b:25:f6:40:a6",
+      "mac": "ec:2a:72:07:c8:38",
       "management": true,
       "mountable": false,
       "mounted": false,
diff --git a/input/grid5000/sites/grenoble/clusters/servan/nodes/servan-2.yaml b/input/grid5000/sites/grenoble/clusters/servan/nodes/servan-2.yaml
index 27a24b1b808b0e6b27b549707e4724565b214267..79853f67beaab9578fa9a3c9c70d1379bdbf8c30 100644
--- a/input/grid5000/sites/grenoble/clusters/servan/nodes/servan-2.yaml
+++ b/input/grid5000/sites/grenoble/clusters/servan/nodes/servan-2.yaml
@@ -46,14 +46,14 @@ servan-2:
   network_adapters:
     bmc:
       ip: 172.17.23.2
-      mac: b0:7b:25:f6:40:a6
+      mac: ec:2a:72:07:c8:38
       management: true
     eth0:
       driver: ice
       firmware_version: 3.00 0x8000893f 20.5.13
       interface: Ethernet
       ip: 172.16.23.2
-      mac: 40:a6:b7:6b:13:40
+      mac: ec:2a:72:40:57:36
       management: false
       model: Ethernet Controller E810-C for SFP
       name: eno33