diff --git a/src/systemd/src/libsystemd-network/network-internal.c b/src/systemd/src/libsystemd-network/network-internal.c
index 3b1fea0bcf..efa3dcfa4d 100644
--- a/src/systemd/src/libsystemd-network/network-internal.c
+++ b/src/systemd/src/libsystemd-network/network-internal.c
@@ -4,6 +4,7 @@
 
 #include <arpa/inet.h>
 #include <linux/if.h>
+#include <netinet/ether.h>
 
 #include "sd-ndisc.h"