Coca-Cola has had a rough go of it recently, with Gawker poking an enormous hole in its #MakeItHappy social media campaign.

Now the Atlanta-based company has again fallen face first into controversy with an advertisement promoting its Fanta beverage in the drink’s origin country of Germany. The spot, which can be viewed above, promotes Fanta’s 75-year anniversary, coupled with a limited-edition run of Fanta made with its O.G. recipe. Celebrating that milestone would be great, if only 75 years ago didn’t coincide with World War II and Nazi rule.

The contention with the clip mainly concerns the beginning, which promotes Fanta’s invention. In English, the dialogue roughly translates to:

“75 years ago, resources for our beloved Coke in Germany were scarce. Employees at Coca-Cola—rather clever braniacs—had to think of something and came up with a brilliant idea. From the scarcely available ingredients, such as whey and apple fibers, they simply developed a new drink.”

However, Fanta’s invention wasn’t nearly so cheery. Supplies of Coca-Cola syrup were near-impossible to get to the company’s German bottling plant, so Fanta was born as a last resort. Viewers—especially those in Germany where law still prohibits any mention of National Socialist iconography—were pissed.

U.K. publication The Express mentions Coca-Cola’s response:

A Coca-Cola spokeswoman apologised for any offence caused by the advertisement and said that it was supposed to “evoke positive childhood memories”.

She added: “Fanta was invented in Germany during the Second World War but the 75-year-old brand had no association with Hitler or the Nazi Party.”

But it’s been rumored for decades that the Nazis had some influence with the beverage. Slate published an article in 2010 that straight-up called Fanta “a Nazi product,” and draws upon Max Pendergrast’s book on the history of Coca-Cola to make the statement:

When Pearl Harbor ended the flow of Coca-Cola syrup to German bottlers, German Coca-Cola chief Max Keith—who sported a tiny Hitler-style mustache and celebrated the Führer’s 50th birthday at company conventions—formulated an alternative. He blended together an ever-changing combination of dregs, like leftovers from cheese production, the fibrous remains of apples that had been pressed for cider, and whatever surplus fruit he could acquire from Italy. He sweetened the soft drink with saccharin and named it Fanta, after the German word for fantasy or imagination.

Even if the company meant no harm, celebrating a drink developed during Nazi rule requires some god-level finessing. The best tact, though? Going a completely different route with your campaign that has no Nazi associations.

[via Eater, The Express]