The "add" button on node/XX/webform directs back to "destination" query string parameter if it is present

My webform configuration page is accessible at this URL:

/node/2791/webform?destination=node/2790

When I click the "Add" button to add a field to the webform, I'm directed back to node/2790 rather than the field configuration page. No such redirection happens if I remove the destination parameter.