The difference in position between North Korea and the U.S. on the denuclearization issue remains “huge,” South Korea’s unification minister said on Wednesday, while insisting it would “not be impossible” to find a middle ground.

Speaking at a policy briefing for EU ambassadors in Seoul, unification minister Cho Myoung-gyon said that preparations for an upcoming North Korea-U.S. summit were ongoing, despite “temporary difficulties.”

“The difference of the position between the North and the U.S. in the denuclearization of the Korean peninsula is still huge,” Cho said during an opening statement carried by South Korea’s Yonhap News Agency.

“It won’t be easy