diff --git a/acme.sh b/acme.sh
index da6d8e74..d23bb31b 100755
--- a/acme.sh
+++ b/acme.sh
@@ -3937,7 +3937,7 @@ issue() {
   _initpath "$_main_domain" "$_ecc"
 
   . "$DOMAIN_CONF"
-  
+
   if ! _on_issue_success "$_post_hook" "$_renew_hook"; then
     _err "Call hook error."
     return 1