Please state in which country your phrase tends to be used, what the phrase is, and what it should be.
Example:
In America, recently came across “back-petal”, instead of back-pedal. Also, still hearing “for all intensive purposes” instead of “for all intents and purposes”.
If “it” is actually the subject then it would not be a contradiction.
But when “it” is a pronoun for something else (which is definitely at least 99.9% of the time.