Does Coca-Cola made with cane sugar — aka Mexican Coke — really taste better than the U.S. version made with high-fructose corn syrup, as President Donald Trump claims? Not quite, according to some studies.

After President Trump announced that Coke will be made with cane sugar in the U.S., as it is in Mexico, foodies of Mexican heritage said in interviews that they weren’t excited.

Agricultural industry leaders fear a push away from corn syrup could disrupt production of the U.S.’s largest crop.