diff --git a/sbin/hastd/Makefile b/sbin/hastd/Makefile
index e6aff0792514..5ac5639cd993 100644
--- a/sbin/hastd/Makefile
+++ b/sbin/hastd/Makefile
@@ -12,7 +12,7 @@ SRCS+=	metadata.c
 SRCS+=	nv.c
 SRCS+=	secondary.c
 SRCS+=	parse.y pjdlog.c primary.c
-SRCS+=	proto.c proto_common.c proto_socketpair.c proto_tcp4.c proto_uds.c
+SRCS+=	proto.c proto_common.c proto_socketpair.c proto_tcp.c proto_uds.c
 SRCS+=	rangelock.c
 SRCS+=	subr.c
 SRCS+=	token.l
diff --git a/sbin/hastd/proto_tcp4.c b/sbin/hastd/proto_tcp.c
similarity index 100%
rename from sbin/hastd/proto_tcp4.c
rename to sbin/hastd/proto_tcp.c