The paper focuses on the changing of management of timber industry in the Soviet Karelia in 1940-1941. In the 1930-ies the government of the republic lost control over logging. However after the Winter War former Finnish territories – the Karelian Isthmus and Northern Ladoga area with several large paper mill factories were annexed to the new formed Karelian-Finnish Union Republic. It caused the changing of logging scheme and flows of raw wood. Leaders of the Karelian-Finnish Union Republic were able to persuade central authorities that they can supply of raw wood for new factories and got back the control over logging on the whole territory of the republic.