diff --git a/usr.bin/keylogout/keylogout.c b/usr.bin/keylogout/keylogout.c
index e4fcf21adbe..c7ec0496b67 100644
--- a/usr.bin/keylogout/keylogout.c
+++ b/usr.bin/keylogout/keylogout.c
@@ -45,9 +45,7 @@ __FBSDID("$FreeBSD$");
 #include <rpc/key_prot.h>
 
 int
-main(argc,argv)
-	int argc;
-	char *argv[];
+main(int argc, char **argv)
 {
 	static char secret[HEXKEYBYTES + 1];