diff --git a/functions/vm.sh b/functions/vm.sh
index 67bc067..a4e5c53 100755
--- a/functions/vm.sh
+++ b/functions/vm.sh
@@ -93,7 +93,7 @@ add_hostonly_adapter_to_vm() {
     echo "Adding hostonly adapter to $name and bridging with host NIC $nic..."
 
     # Add Intel PRO/1000 MT Desktop (82540EM) card to VM. The card is 1Gbps.
-    VBoxManage modifyvm $name --nic${id} hostonly --hostonlyadapter${id} "$nic" --nictype${id} Am79C973 \
+    VBoxManage modifyvm $name --nic${id} hostonly --hostonlyadapter${id} "$nic" --nictype${id} 82540EM \
                         --cableconnected${id} on --macaddress${id} auto
     VBoxManage modifyvm  $name  --nicpromisc${id} allow-all
 }
@@ -105,7 +105,7 @@ add_nat_adapter_to_vm() {
     echo "Adding NAT adapter to $name for outbound network access through the host system..."
 
     # Add Intel PRO/1000 MT Desktop (82540EM) card to VM. The card is 1Gbps.
-    VBoxManage modifyvm $name --nic${id} nat --nictype${id} Am79C973 \
+    VBoxManage modifyvm $name --nic${id} nat --nictype${id} 82540EM \
                         --cableconnected${id} on --macaddress${id} auto --natnet${id} "${nat_network}"
     VBoxManage modifyvm  $name  --nicpromisc${id} allow-all
     VBoxManage controlvm $name setlinkstate${id} on