From 0d2c26735e98d71261fbeff836fb176c791920bd Mon Sep 17 00:00:00 2001
From: neilpang <github@byneil.com>
Date: Sat, 29 Oct 2016 21:33:34 +0800
Subject: [PATCH] minor

---
 acme.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/acme.sh b/acme.sh
index eaecba18..0575e0b6 100755
--- a/acme.sh
+++ b/acme.sh
@@ -2073,7 +2073,7 @@ registeraccount() {
 }
 
 __calcAccountKeyHash() {
-  cat "$ACCOUNT_KEY_PATH" | _digest sha256
+  [ -f "$ACCOUNT_KEY_PATH" ] && cat "$ACCOUNT_KEY_PATH" | _digest sha256
 }
 
 _regAccount() {