From Wiktionary, the free dictionary
Literally, “one does not change a winning team”.
- IPA(key): /ɔ̃ n(ə) ʃɑ̃ʒ pa y.n‿e.kip ki ɡaɲ/ ~ /ɔ̃ n(ə) ʃɑ̃ʒ pɑ y.n‿e.kip ki ɡaɲ/
on ne change pas une équipe qui gagne
- don't change a winning team; if it ain't broke, don't fix it