diff --git a/data/grid5000/accesses/refrepo.json b/data/grid5000/accesses/refrepo.json
index a81903bf3451ebc52d326363cd8330ac6c3dd6df..e42330a12dcde15126d9504aac4e3f069599120f 100644
--- a/data/grid5000/accesses/refrepo.json
+++ b/data/grid5000/accesses/refrepo.json
@@ -1962,7 +1962,7 @@
                   "interface": "Ethernet",
                   "ip": "172.17.20.18",
                   "kavlan": false,
-                  "mac": "50:9a:4c:78:12:5e",
+                  "mac": "6c:2b:59:9a:c4:ae",
                   "management": true,
                   "mountable": false,
                   "mounted": false,
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json
index 0bc7d6b196774eb9ec01e67bc362949bcb059e23..8d6480e0cc24725b8bda97e5097ff84d53702adc 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json
@@ -202,7 +202,7 @@
       "interface": "Ethernet",
       "ip": "172.17.20.18",
       "kavlan": false,
-      "mac": "50:9a:4c:78:12:5e",
+      "mac": "6c:2b:59:9a:c4:ae",
       "management": true,
       "mountable": false,
       "mounted": false,
diff --git a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.yaml b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.yaml
index 45302ab7b87c9619bf29ff8297eb4533c7e07cce..be3956dddb9de876966accbf10609cd5ec83cdb7 100644
--- a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.yaml
+++ b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.yaml
@@ -58,7 +58,7 @@ dahu-18:
   network_adapters:
     bmc:
       ip: 172.17.20.18
-      mac: 50:9a:4c:78:12:5e
+      mac: 6c:2b:59:9a:c4:ae
       management: true
     eth0:
       driver: i40e