self-perpetuating

/S EH1 L F P ER0 P EH0 CH AH0 W EY0 T IH0 NG/
adjective
  1. 1

    Causing itself to continue to exist.

    โ€œIt's a self-perpetuating error, now that we've made it, we can't fix it without breaking things that depend on it.โ€

Source: https://en.wiktionary.org/wiki/self-perpetuating