diff --git a/include/netinet/if_ether.h b/include/netinet/if_ether.h
index 4802f09f..4c2322b3 100644
--- a/include/netinet/if_ether.h
+++ b/include/netinet/if_ether.h
@@ -51,6 +51,7 @@
 #define ETH_P_8021AD	0x88A8
 #define ETH_P_802_EX1	0x88B5
 #define ETH_P_TIPC	0x88CA
+#define ETH_P_MACSEC	0x88E5
 #define ETH_P_8021AH	0x88E7
 #define ETH_P_MVRP	0x88F5
 #define ETH_P_1588	0x88F7