diff --git a/overlay/etc/systemd/network/95-default.network b/overlay/etc/systemd/network/95-default.network
index 3a1192d..ccd31c5 100644
--- a/overlay/etc/systemd/network/95-default.network
+++ b/overlay/etc/systemd/network/95-default.network
@@ -5,6 +5,7 @@ Type=ether wlan
 DHCP=yes
 
 [DHCPv4]
+ClientIdentifier=mac
 UseDomains=yes
 
 [DHCPv6]