diff --git a/data/grid5000/sites/lyon/clusters/neowise/nodes/neowise-8.json b/data/grid5000/sites/lyon/clusters/neowise/nodes/neowise-8.json
index 77c276c45b971b1ce2534343389d053be9b02107..1e63b496c21754b3bb7daeabceb4737170ffd8ed 100644
--- a/data/grid5000/sites/lyon/clusters/neowise/nodes/neowise-8.json
+++ b/data/grid5000/sites/lyon/clusters/neowise/nodes/neowise-8.json
@@ -147,7 +147,7 @@
       "interface": "InfiniBand",
       "ip": "172.18.55.8",
       "kavlan": false,
-      "mac": "00:00:08:28:fe:80:00:00:00:00:00:00:0c:42:a1:03:00:a0:fc:48",
+      "mac": "00:00:08:28:fe:80:00:00:00:00:00:00:0c:42:a1:03:00:a0:f1:28",
       "management": false,
       "model": "MT28908 Family [ConnectX-6]",
       "mountable": true,
@@ -166,7 +166,7 @@
       "guid": "0x0c42a10300a0fc20",
       "interface": "InfiniBand",
       "kavlan": false,
-      "mac": "00:00:04:28:fe:80:00:00:00:00:00:00:0c:42:a1:03:00:a0:fc:20",
+      "mac": "00:00:04:28:fe:80:00:00:00:00:00:00:0c:42:a1:03:00:a0:f1:c4",
       "management": false,
       "model": "MT28908 Family [ConnectX-6]",
       "mountable": false,
diff --git a/input/grid5000/sites/lyon/clusters/neowise/nodes/neowise-8.yaml b/input/grid5000/sites/lyon/clusters/neowise/nodes/neowise-8.yaml
index eff0fe085bd14d96ceffbd318f7a322616e33fb2..78ab0e49239d64976a6ef573a0757790f085dd0e 100644
--- a/input/grid5000/sites/lyon/clusters/neowise/nodes/neowise-8.yaml
+++ b/input/grid5000/sites/lyon/clusters/neowise/nodes/neowise-8.yaml
@@ -114,7 +114,7 @@ neowise-8:
       firmware_version: 20.29.2002
       guid: '0x0c42a10300a0fc48'
       interface: InfiniBand
-      mac: 00:00:08:28:fe:80:00:00:00:00:00:00:0c:42:a1:03:00:a0:fc:48
+      mac: 00:00:08:28:fe:80:00:00:00:00:00:00:0c:42:a1:03:00:a0:f1:28
       management: false
       model: MT28908 Family [ConnectX-6]
       name: ib0
@@ -125,7 +125,7 @@ neowise-8:
       firmware_version: 20.29.2002
       guid: '0x0c42a10300a0fc20'
       interface: InfiniBand
-      mac: 00:00:04:28:fe:80:00:00:00:00:00:00:0c:42:a1:03:00:a0:fc:20
+      mac: 00:00:04:28:fe:80:00:00:00:00:00:00:0c:42:a1:03:00:a0:f1:c4
       management: false
       model: MT28908 Family [ConnectX-6]
       name: ib1