 By a decision of the congress, he left the post of chief of staff and was elected a member of the Military Revolutionary Council.He demanded an end to criticism of the Bolsheviks and the concentration of all efforts of the rebels and anarchists on the front against Denikin.From the end of March he was at the front; On April 9, 1919 he was appointed chief of staff of the combat section of the Makhnovsky brigade in the Volnovakha area.