diff --git a/units/systemd-networkd.service.in b/units/systemd-networkd.service.in
index ffa45ba049..6acce036df 100644
--- a/units/systemd-networkd.service.in
+++ b/units/systemd-networkd.service.in
@@ -38,7 +38,7 @@ ProtectSystem=strict
 Restart=on-failure
 RestartKillSignal=SIGUSR2
 RestartSec=0
-RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6 AF_PACKET AF_ALG
+RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6 AF_PACKET
 RestrictNamespaces=yes
 RestrictRealtime=yes
 RestrictSUIDSGID=yes