How do I display Active Sprint view 'Base on swimlane on Stories'

[Aidai Ashirbaeva]

Under board configuration>Swimlanes>I have selected Base Swimlane on 'Stories' 

I want Story to show up on the left and sub-tasks moving across swimlanes. So, I selected Stories under Swimlanes.

However, when I go to my Active Sprint, my sub-tasks are not moving across swimlanes, instead my story is moving. 

So, how do I configure so that my story does not move to swimlane instead sub-task does?