BALTIMORE (WJZ) — A change to the iconic Berger Cookies has apparently gone unnoticed.

For years, the fudge topping contained trans fats, and because of an FDA rule, it must be phased out by next year.

READ MORE: Laurel Park Cancels Monday Card Due To 'Lingering Effects' Of Winter Weather

According to our media partner The Baltimore Sun, the owner of the south Baltimore bakery recently learned his long-time manufacturer already changed the recipe over the summer.

READ MORE: Former Mayor Young To Appear At Press Conference With Mosby's Attorney

Berger has unknowingly been using the altered fudge ever since.

The owner says he’s received no complaints from customers.

MORE NEWS: Maryland Weather: Snow Clears Out, But Wind & Flood Threats Remain

Follow @CBSBaltimore on Twitter and like WJZ-TV | CBS Baltimore on Facebook