A Japanese court on Monday issued a ruling allowing a real-estate investment firm in western Japan to buy the Tokyo headquarters of the country’s main pro-North Korea organization.

The Tokyo District Court approved the sale of the building and land of the Tokyo headquarters of the General Association of Korean Residents in Japan, known as Chongryon, to Marunaka Holdings, a property investment company based in Takamatsu City, Kagawa Prefecture in western Japan.

Chongryon immediately filed an appeal against the decision.

The approval comes after the court regarded a 5.01 billion yen ($48 million) rebid for the property by the Mongolia-based