From 7dee8d4d827983ae4d5d0adf47debdcce68887c4 Mon Sep 17 00:00:00 2001
From: Nicholas Page <nicholas.page@goat.com>
Date: Mon, 13 Dec 2021 14:23:01 -0800
Subject: [PATCH] Fix ParseMAC bug

---
 mac.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mac.go b/mac.go
index 4a2d35ae..f4286707 100644
--- a/mac.go
+++ b/mac.go
@@ -36,7 +36,7 @@ func ParseMAC(s string) (mac MAC, err error) {
 		}
 		macIndex--
 	}
-	if macIndex != 0 {
+	if macIndex != -1 {
 		err = errInvalidMAC
 	}
 	return