North Korean state media on Thursday said the signing of a formal peace agreement must come before Pyongyang denuclearizes, as a public war of words between the U.S. and DPRK continues amid stalled negotiations.

Crediting an unnamed American website for pointing out the order of the points of the Singapore agreement signed by U.S. President Donald Trump and North Korean leader Kim Jong Un in June, an article in ruling party organ the Rodong Sinmun said “there is a correct order to everything.”