diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json
index dabfd7449434c507a6ca4c838d726c8b913b6d87..2c53ab66c1a4e2712a723b49f9c858bd42e69dcb 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json
@@ -107,7 +107,7 @@
       "interface": "Ethernet",
       "ip": "172.17.76.4",
       "kavlan": false,
-      "mac": "50:9a:4c:85:cc:86",
+      "mac": "50:9a:4c:a2:d4:f2",
       "management": true,
       "mountable": false,
       "mounted": false,
diff --git a/input/grid5000/sites/nancy/clusters/grvingt/grvingt.yaml.erb b/input/grid5000/sites/nancy/clusters/grvingt/grvingt.yaml.erb
index 43df82958dc50e8dc105bdb65c1e518279856d42..53191982ead7572019e583c44e0afaf01813a8e9 100644
--- a/input/grid5000/sites/nancy/clusters/grvingt/grvingt.yaml.erb
+++ b/input/grid5000/sites/nancy/clusters/grvingt/grvingt.yaml.erb
@@ -79,7 +79,7 @@ nodes:
                     50:9a:4c:85:c3:de
                     50:9a:4c:85:c5:6a
                     50:9a:4c:86:00:f2
-                    50:9a:4c:85:cc:86
+                    50:9a:4c:a2:d4:f2
                     50:9a:4c:85:b6:02
                     50:9a:4c:85:35:c0
                     50:9a:4c:85:89:3b
diff --git a/input/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.yaml b/input/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.yaml
index f6b5f9573d5d0fc3e0a94365a187dcdf6efa6de1..e3cbb962e59dc5922593e99f90e625433a004806 100644
--- a/input/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.yaml
+++ b/input/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.yaml
@@ -19,7 +19,7 @@ grvingt-4:
   network_adapters:
     bmc:
       ip: 172.17.76.4
-      mac: 50:9a:4c:85:cc:86
+      mac: 50:9a:4c:a2:d4:f2
       management: true
     eth0:
       driver: i40e