diff --git a/usr.sbin/rpc.statd/Makefile b/usr.sbin/rpc.statd/Makefile
index 0187d422ebaf..c857f62790dc 100644
--- a/usr.sbin/rpc.statd/Makefile
+++ b/usr.sbin/rpc.statd/Makefile
@@ -7,6 +7,9 @@ SRCS=	file.c sm_inter_svc.c sm_inter.h statd.c procs.c
 CFLAGS+= -I${.OBJDIR}
 LIBADD=	rpcsvc
 
+# XXX: mismatch between (xdrproc_t) and xdr_void().
+WARNS?=	2
+
 CLEANFILES= sm_inter_svc.c sm_inter.h
 
 RPCSRC= ${SYSROOT:U${DESTDIR}}/usr/include/rpcsvc/sm_inter.x
diff --git a/usr.sbin/rpc.statd/procs.c b/usr.sbin/rpc.statd/procs.c
index 517c3f62414e..3f1b60bd3f22 100644
--- a/usr.sbin/rpc.statd/procs.c
+++ b/usr.sbin/rpc.statd/procs.c
@@ -52,9 +52,10 @@ __FBSDID("$FreeBSD$");
 
 #include "statd.h"
 
+static const char *from_addr(struct sockaddr *);
+
 static const char *
-from_addr(saddr)
-	struct sockaddr *saddr;
+from_addr(struct sockaddr *saddr)
 {
 	static char inet_buf[INET6_ADDRSTRLEN];