Subsonic6+nginx+https = broken "Settings"

[StalkerNOVA]

If you place Subsonic as HTTP backend for nginx with HTTPS frontend you get broken button "Settings" in the left tab.

Chrome DevConsole:
Mixed Content: The page at 'https://music.domain.ru/index.view?' was loaded over HTTPS, but requested an insecure resource 'http://music.domain.ru/adminSettings.view'. This request has been blocked; the content must be served over HTTPS.