The Food and Drug Administration (FDA) is reclassifying a recall on more than 64,000 pounds of butter as Class II, putting it at the second-highest warning level, due to undeclared milk allergens.

More than 32 tons of butter have been recalled across the U.S. and in the Dominican Republic due to an undeclared allergen. Bunge North America issued a voluntary recall for 1,800 cases of butter on July 14 according to the FDA and that recall was given a Class 2 risk level where any use of or exposure to the product can “cause adverse health consequences.