diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json
index b616fe5dd47bafa264d75a3cc8c6e49d51a6794a..7aeb91f006c4675999957b0279e82f2b4b0e9d35 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json
@@ -144,7 +144,7 @@
       "interface": "Ethernet",
       "ip": "172.17.96.20",
       "kavlan": false,
-      "mac": "b8:2a:72:fc:f0:e2",
+      "mac": "64:00:6a:c3:e6:ae",
       "management": true,
       "mountable": false,
       "mounted": false,
diff --git a/input/grid5000/sites/rennes/clusters/paravance/paravance_ip.yaml.erb b/input/grid5000/sites/rennes/clusters/paravance/paravance_ip.yaml.erb
index 64e316ed3884cb61d7c565abe5dab067f588a8f7..0afb8db2635df791b72b72b71aeda4c4c0680c8a 100644
--- a/input/grid5000/sites/rennes/clusters/paravance/paravance_ip.yaml.erb
+++ b/input/grid5000/sites/rennes/clusters/paravance/paravance_ip.yaml.erb
@@ -101,7 +101,7 @@ nodes:
                     b8:2a:72:fc:f3:ee
                     b8:2a:72:fc:f8:5a
                     b8:2a:72:fc:f8:a8
-                    b8:2a:72:fc:f0:e2
+                    64:00:6a:c3:e6:ae
                     b8:2a:72:fc:f1:d2
                     b8:2a:72:fc:e2:aa
                     b8:2a:72:fc:f3:98