diff --git a/data/grid5000/accesses/refrepo.json b/data/grid5000/accesses/refrepo.json
index 88120f7ad4a0bae60ad6acba5df3abcb5f0c4254..07c228fb51b842721df46275b8c228d9802c87b7 100644
--- a/data/grid5000/accesses/refrepo.json
+++ b/data/grid5000/accesses/refrepo.json
@@ -4992,7 +4992,7 @@
                   "interface": "Ethernet",
                   "ip": "172.17.20.31",
                   "kavlan": false,
-                  "mac": "50:9a:4c:78:e6:35",
+                  "mac": "50:9a:4c:a6:fd:1e",
                   "management": true,
                   "mountable": false,
                   "mounted": false,
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
index ce4ee47d4ef63c88044b9b863f40af91f4865a41..342becc2c0e0a923d8db9bdc87a1cf0d1ed6a04c 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
@@ -202,7 +202,7 @@
       "interface": "Ethernet",
       "ip": "172.17.20.31",
       "kavlan": false,
-      "mac": "50:9a:4c:78:e6:35",
+      "mac": "50:9a:4c:a6:fd:1e",
       "management": true,
       "mountable": false,
       "mounted": false,
diff --git a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.yaml b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.yaml
index 9eb90d65415eafce612269eead135940d428aebc..85d76cda7744d03e6c47920941b7e1a141680793 100644
--- a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.yaml
+++ b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.yaml
@@ -58,7 +58,7 @@ dahu-31:
   network_adapters:
     bmc:
       ip: 172.17.20.31
-      mac: 50:9a:4c:78:e6:35
+      mac: 50:9a:4c:a6:fd:1e
       management: true
     eth0:
       driver: i40e