diff --git a/tools/regression/sockets/socketpair/Makefile b/tools/regression/sockets/socketpair/Makefile
index ae71b17985a..ed66e3c810c 100644
--- a/tools/regression/sockets/socketpair/Makefile
+++ b/tools/regression/sockets/socketpair/Makefile
@@ -4,6 +4,6 @@
 
 PROG=	socketpair
 MAN=
-WARNS?=	2
+WARNS?=	6
 
 .include <bsd.prog.mk>
diff --git a/tools/regression/sockets/socketpair/socketpair.c b/tools/regression/sockets/socketpair/socketpair.c
index 5f4647614f9..779878a10fe 100644
--- a/tools/regression/sockets/socketpair/socketpair.c
+++ b/tools/regression/sockets/socketpair/socketpair.c
@@ -47,7 +47,7 @@
  * right places.
  */
 int
-main(int argc, char *argv[])
+main(void)
 {
 	int fd1, fd2, fd3;
 	int sv[2];