diff --git a/ADDITIONS/postfixadmin-mailbox-postpassword.sh b/ADDITIONS/postfixadmin-mailbox-postpassword.sh
index 807e5128..b6c6e77d 100644
--- a/ADDITIONS/postfixadmin-mailbox-postpassword.sh
+++ b/ADDITIONS/postfixadmin-mailbox-postpassword.sh
@@ -12,5 +12,8 @@ if [ -z "$OLD_PASSWORD" ]; then
     doveadm -o plugin/mail_crypt_private_password="$OLD_PASSWORD" mailbox cryptokey generate -u "$1" -U
 fi
 
+# If you're using dovecot >= 2.3.19, try this instead (See: https://github.com/postfixadmin/postfixadmin/issues/646)
+# printf "%s\n%s\n" "$OLD_PASSWORD" "$NEW_PASSWORD" "$NEW_PASSWORD" | doveadm mailbox cryptokey password -u "$1" -N -O 
+
 # Password change
 printf "%s\n%s\n" "$OLD_PASSWORD" "$NEW_PASSWORD" | doveadm mailbox cryptokey password -u "$1" -N -O ""