The Danish foreign minister expressed openness to working more closely with the U.S. to ensure its interests in the region are addressed after President-elect Donald Trump said he wants to buy the Danish territory of Greenland—but the foreign minister continued to cast doubt on Trump’s idea to acquire the island,

U.S. President-elect Donald Trump says he wants to make Greenland a part of the United States and does not rule out using military or economic power to get Denmark to hand it over.

It’s been a while since Denmark has been the object of Donald Trump’s enduring obsession with Greenland and needing to remind the returning president repeatedly that the world’s largest island isn’t for sale.