diff --git a/stand/i386/boot2/boot2.c b/stand/i386/boot2/boot2.c
index 898a8c27df19..0c35fe9b7d93 100644
--- a/stand/i386/boot2/boot2.c
+++ b/stand/i386/boot2/boot2.c
@@ -355,7 +355,7 @@ load(void)
 }
 
 static int
-parse()
+parse(void)
 {
 	char *arg, *ep, *p, *q;
 	const char *cp;