bounced checks and old bank account

The company where I work for recently moved banks.  The old bank account is still in our Quick Books.  Recently the company received a NSF check with the new bank account and I entered it by a journal entry, (which has changed unfortunately, because I never had to enter NSF checks that way before) and Quick Books asked if I wanted all NSF checks entered that way and I hit the yes button. Well, unfortunately, it took ALL the NSF checks from the old closed bank account and put them in the new bank a