diff --git a/lib/libsys/socket.2 b/lib/libsys/socket.2
index b211611c635..979f6227c9b 100644
--- a/lib/libsys/socket.2
+++ b/lib/libsys/socket.2
@@ -64,7 +64,7 @@ PF_NETGRAPH	Netgraph sockets,
 PF_NETLINK	Netlink protocols,
 PF_BLUETOOTH	Bluetooth protocols,
 PF_INET_SDP	OFED socket direct protocol (IPv4),
-AF_HYPERV	HyperV sockets
+PF_HYPERV	HyperV sockets
 .Ed
 .Pp
 Each protocol family is connected to an address family, which has the
diff --git a/sys/sys/socket.h b/sys/sys/socket.h
index cdd4fa3b4b8..cf1d95da616 100644
--- a/sys/sys/socket.h
+++ b/sys/sys/socket.h
@@ -396,6 +396,7 @@ struct sockproto {
 #define	PF_NETLINK	AF_NETLINK
 #define	PF_INET_SDP	AF_INET_SDP
 #define	PF_INET6_SDP	AF_INET6_SDP
+#define	PF_HYPERV	AF_HYPERV
 #define	PF_DIVERT	AF_DIVERT
 #define	PF_IPFWLOG	AF_IPFWLOG