From 300ec053284cb0fe999120d57c634f43e55bff68 Mon Sep 17 00:00:00 2001
From: Hiroaki Yamazoe <Hiroaki.Yamazoe@jp.sony.com>
Date: Thu, 9 Aug 2018 18:48:50 +0900
Subject: [PATCH] Fix typo of AVRDUDE_ISP_OPT

---
 Arduino.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Arduino.mk b/Arduino.mk
index 979a039..fa82b0e 100644
--- a/Arduino.mk
+++ b/Arduino.mk
@@ -1513,7 +1513,7 @@ ifndef ISP_PORT
     endif
 else
     ifeq ($(CURRENT_OS), WINDOWS)
-        AVRDUDE_ISP_OPT += -P ISP_PORT
+        AVRDUDE_ISP_OPTS += -P $(ISP_PORT)
     else
         AVRDUDE_ISP_OPTS += -P $(call get_isp_port)
     endif