Promising things will be “different” when he takes office, President-elect Donald Trump expressed his dismay over the Obama administration‘s decision not to veto a U.N. resolution condemning Israeli settlement construction.

Ignoring protocol, Trump called on President Obama to veto the resolution, saying it “puts Israel in a very poor negotiating position and is extremely unfair to all Israelis.”

He took to Twitter Friday with a terse remark in response to the president’s defiance:

As to the U.N., things will be different after Jan. 20th. — Donald J. Trump (@realDonaldTrump) December 23, 2016