In 1919, he joined the forces of Admiral Kolchak in Siberia. From April to June 1919 he commanded the 3rd Ural Corps and the 1st Army and finally, after the reorganization, the 2nd Army. He was replaced in August 1919 by General Wojciechowski. He participated in the Great Siberian Ice March and was sent ahead by Kolchak to Irkutsk to prepare for the transfer of the staff to this city and to negotiate with Ataman Semenov.