diff --git a/acme.sh b/acme.sh
index 127b6ab3..1887bc90 100755
--- a/acme.sh
+++ b/acme.sh
@@ -4931,7 +4931,7 @@ __read_password() {
   prompt="Enter Password:"
   while IFS= read -p "$prompt" -r -s -n 1 char; do
     if [ "$char" = $'\0' ]; then
-        break
+      break
     fi
     prompt='*'
     _pp="$_pp$char"