diff --git a/data/grid5000/accesses/refrepo.json b/data/grid5000/accesses/refrepo.json
index 2a5e2e62c5c13313f285b4e553ad38768e62522f..2e40f45efdea23a6d3274fa3ab35f4bf3d7153bc 100644
--- a/data/grid5000/accesses/refrepo.json
+++ b/data/grid5000/accesses/refrepo.json
@@ -2915,7 +2915,7 @@
                   "ip": "172.16.20.22",
                   "ip6": "2001:660:4406:100:5::16",
                   "kavlan": true,
-                  "mac": "3c:fd:fe:55:e7:e0",
+                  "mac": "50:7c:6f:48:16:62",
                   "management": false,
                   "model": "Ethernet Controller X710 for 10GbE SFP+",
                   "mountable": true,
@@ -2936,7 +2936,7 @@
                   "firmware_version": "9.50 0x8000f262 23.0.8",
                   "interface": "Ethernet",
                   "kavlan": false,
-                  "mac": "3c:fd:fe:55:e7:e2",
+                  "mac": "50:7c:6f:48:16:63",
                   "management": false,
                   "model": "Ethernet Controller X710 for 10GbE SFP+",
                   "mountable": false,
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json
index bb04141efb11e65e2bc62e1fd03b66acbbdd4334..be85e3ae4618eebb944695e63f4c046e3de00771 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json
@@ -145,7 +145,7 @@
       "ip": "172.16.20.22",
       "ip6": "2001:660:4406:100:5::16",
       "kavlan": true,
-      "mac": "3c:fd:fe:55:e7:e0",
+      "mac": "50:7c:6f:48:16:62",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
       "mountable": true,
@@ -166,7 +166,7 @@
       "firmware_version": "9.50 0x8000f262 23.0.8",
       "interface": "Ethernet",
       "kavlan": false,
-      "mac": "3c:fd:fe:55:e7:e2",
+      "mac": "50:7c:6f:48:16:63",
       "management": false,
       "model": "Ethernet Controller X710 for 10GbE SFP+",
       "mountable": false,
diff --git a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.yaml b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.yaml
index 141c2ecc55a51e8671518d9eb4a94aec736e9743..db85e0ab7cb9c48daf556bf3519cdc7116fcd1b9 100644
--- a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.yaml
+++ b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.yaml
@@ -65,7 +65,7 @@ dahu-22:
       firmware_version: 9.50 0x8000f262 23.0.8
       interface: Ethernet
       ip: 172.16.20.22
-      mac: 3c:fd:fe:55:e7:e0
+      mac: 50:7c:6f:48:16:62
       management: false
       model: Ethernet Controller X710 for 10GbE SFP+
       name: enp24s0f0
@@ -77,7 +77,7 @@ dahu-22:
       driver: i40e
       firmware_version: 9.50 0x8000f262 23.0.8
       interface: Ethernet
-      mac: 3c:fd:fe:55:e7:e2
+      mac: 50:7c:6f:48:16:63
       management: false
       model: Ethernet Controller X710 for 10GbE SFP+
       name: enp24s0f1