diff --git a/sys/sys/socket.h b/sys/sys/socket.h
index 90411d7b4e3b..0ff04f5438c5 100644
--- a/sys/sys/socket.h
+++ b/sys/sys/socket.h
@@ -352,6 +352,7 @@ struct sockproto {
 #define PF_SCLUSTER	AF_SCLUSTER
 #define	PF_ARP		AF_ARP
 #define	PF_BLUETOOTH	AF_BLUETOOTH
+#define	PF_IEEE80211	AF_IEEE80211
 
 #define	PF_MAX		AF_MAX