diff --git a/labs/lib/osbash/virtualbox.install_node b/labs/lib/osbash/virtualbox.install_node
index e09ce580..f740915d 100644
--- a/labs/lib/osbash/virtualbox.install_node
+++ b/labs/lib/osbash/virtualbox.install_node
@@ -2,6 +2,7 @@
 
 # Configure VirtualBox network interfaces
 function _vbox_configure_ifs {
+    local vm_name=$1
     # Iterate over all NET_IF_? variables
     local net_ifs=( "${!NET_IF_@}" )
     local net_if=""
@@ -9,13 +10,13 @@ function _vbox_configure_ifs {
         local if_num=${net_if##*_}
         if [ "${!net_if}" = "nat" ]; then
             echo "interface $if_num: NAT"
-            vm_nic_nat "$NODE_NAME" "$if_num"
+            vm_nic_nat "$vm_name" "$if_num"
         else
             # Host-only network: net_if is net name (e.g. API_NET)
             # Use corresponding VirtualBox interface (e.g. API_NET_IF)
             local host_if="${!net_if}_IF"
             echo "interface $if_num: host-only ${!host_if}"
-            vm_nic_hostonly "$NODE_NAME" "$if_num" "${!host_if}"
+            vm_nic_hostonly "$vm_name" "$if_num" "${!host_if}"
         fi
     done
 }
@@ -47,7 +48,7 @@ function vm_init_node {
     # Set VM_CPUS in config/config.NODE_NAME to override
     vm_cpus "$vm_name" "${VM_CPUS:-1}"
 
-    _vbox_configure_ifs
+    _vbox_configure_ifs "$vm_name"
 
     # Port forwarding
     if [ -n "${VM_SSH_PORT:-}" ]; then