diff --git a/data/grid5000/sites/sophia/servers/opensm.json b/data/grid5000/sites/sophia/servers/opensm.json
index ee81616447bfe0a0d39b297efc45baef9029e51b..e09875da9a9895694e62c054a0a07a5d6b85252d 100644
--- a/data/grid5000/sites/sophia/servers/opensm.json
+++ b/data/grid5000/sites/sophia/servers/opensm.json
@@ -3,10 +3,12 @@
   "network_adapters": {
     "bmc": {
       "ip": "172.17.132.13",
+      "mac": "00:26:6C:F0:13:66",
       "mounted": true
     },
     "default": {
       "ip": "172.16.132.13",
+      "mac": "00:26:6C:F0:13:64",
       "mounted": true
     },
     "ib0": {
diff --git a/input/grid5000/sites/sophia/servers/physical.yaml b/input/grid5000/sites/sophia/servers/physical.yaml
index 99709214e9d2cd858a0813c3eaf515218cc883c7..73a5161253b327a6abd52dc3161c56291f17192a 100644
--- a/input/grid5000/sites/sophia/servers/physical.yaml
+++ b/input/grid5000/sites/sophia/servers/physical.yaml
@@ -121,9 +121,11 @@ opensm:
     default:
       mounted: true
       ip: 172.16.132.13
+      mac: 00:26:6C:F0:13:64
     bmc:
       mounted: true
       ip: 172.17.132.13
+      mac: 00:26:6C:F0:13:66
     ib0:
       mounted: true
       ip: 172.18.132.13