diff --git a/data/grid5000/accesses/refrepo.json b/data/grid5000/accesses/refrepo.json
index e42330a12dcde15126d9504aac4e3f069599120f..762975c6378e0407ce5a456587ca758f31edad1c 100644
--- a/data/grid5000/accesses/refrepo.json
+++ b/data/grid5000/accesses/refrepo.json
@@ -4386,7 +4386,7 @@
                   "interface": "Ethernet",
                   "ip": "172.17.20.29",
                   "kavlan": false,
-                  "mac": "50:9a:4c:78:41:78",
+                  "mac": "6c:2b:59:86:c7:e6",
                   "management": true,
                   "mountable": false,
                   "mounted": false,
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json
index 741317b2b0c5a157fb93b5f706522929754e1a13..8064d2979bff677020d7dedb624cef3b7b9394a7 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json
@@ -202,7 +202,7 @@
       "interface": "Ethernet",
       "ip": "172.17.20.29",
       "kavlan": false,
-      "mac": "50:9a:4c:78:41:78",
+      "mac": "6c:2b:59:86:c7:e6",
       "management": true,
       "mountable": false,
       "mounted": false,
diff --git a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.yaml b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.yaml
index 7cf5ce1dcd664bf525686e72e0cc43ab8ff05014..9cba988f2592d84de29a44f5f6e3894a6a725378 100644
--- a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.yaml
+++ b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.yaml
@@ -58,7 +58,7 @@ dahu-29:
   network_adapters:
     bmc:
       ip: 172.17.20.29
-      mac: 50:9a:4c:78:41:78
+      mac: 6c:2b:59:86:c7:e6
       management: true
     eth0:
       driver: i40e