if it ain't broke, don't fix it

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if it ain't broke, don't fix it

Where it comes from

Attested since c. 1962, originally Southern United States English; popularized by T. Bert Lance in May 1977.

proverb if it ain't broken, don't fix it

  1. It is wise to leave something alone and to avoid attempting to correct, fix, or improve what is already sufficient (often with an implication that is the attempted improvement is risky and might backfire). I know it’s an ugly-looking antenna, but it gets the job done, and if it ain't broke, don't fix it.

    Similar: don't mess with success, if it ain't busted, don't fix it, leave well enough alone, if it works, it works

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MLA

"if it ain't broke, don't fix it." Wiktionary, via Micwyn, micwyn.com/word/if%20it%20ain't%20broke%2C%20don't%20fix%20it. Accessed 7 Nov. 2026.

APA

if it ain't broke, don't fix it. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/if%20it%20ain't%20broke%2C%20don't%20fix%20it

Chicago

"if it ain't broke, don't fix it." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/if%20it%20ain't%20broke%2C%20don't%20fix%20it.

BibTeX
@misc{if_it_ain_t_broke_don_t_fix_it_2026,
  title = {if it ain't broke, don't fix it},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/if%20it%20ain't%20broke%2C%20don't%20fix%20it},
  urldate = {2026-11-07}
}