That's better than locking in a strong accent the rest of your life. Once you learn to speak a language, it's very difficult to fix your accent.
replyThere are two problems with this:
reply(1) It doesn't get any more difficult to fix your accent. But most people won't, because there's virtually no benefit to doing it.
This is related to
(2) Once you learn to speak a language, you're not at any risk of people thinking that you can't speak it, even if you speak with a strong accent.