From ccfd907914dad2530b52a1708b52e4a4248561d0 Mon Sep 17 00:00:00 2001
From: neilpang <github@neilpang.com>
Date: Sat, 7 Aug 2021 21:06:05 +0800
Subject: [PATCH] fix https://github.com/acmesh-official/acme.sh/issues/3649

---
 acme.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/acme.sh b/acme.sh
index b7284db7..27b769ae 100755
--- a/acme.sh
+++ b/acme.sh
@@ -20,6 +20,8 @@ _SUB_FOLDER_DEPLOY="deploy"
 
 _SUB_FOLDERS="$_SUB_FOLDER_DNSAPI $_SUB_FOLDER_DEPLOY $_SUB_FOLDER_NOTIFY"
 
+CA_LETSENCRYPT_V1="https://acme-v01.api.letsencrypt.org/directory"
+
 CA_LETSENCRYPT_V2="https://acme-v02.api.letsencrypt.org/directory"
 CA_LETSENCRYPT_V2_TEST="https://acme-staging-v02.api.letsencrypt.org/directory"
 
@@ -5108,7 +5110,7 @@ renew() {
 
   . "$DOMAIN_CONF"
   _debug Le_API "$Le_API"
-  if [ -z "$Le_API" ]; then
+  if [ -z "$Le_API" ] || [ "$CA_LETSENCRYPT_V1" = "$Le_API" ]; then
     #if this is from an old version, Le_API is empty,
     #so, we force to use letsencrypt server
     Le_API="$CA_LETSENCRYPT_V2"