However, because Shogun Iemochi Tokugawa had died due to illness in Osaka castle on July 30, and due to the defeat at Kokura-guchi on August 1, the Shogunate was delayed while mourning him, he issued an imperial order of cease-fire to the Imperial Court to buy time necessary to deal with the problems of being defeated and Shogun Iemitsu's demise.
一方、幕府は、7月30日に将軍徳川家茂が大坂城中で病死したので、喪を秘し、8月1日の小倉口での敗北を機に、敗戦処理と将軍継嗣問題をかたづけるべく、朝廷に願い出て、21日に休戦の御沙汰書を出してもらった。