Default [Q] ADB wont work in recovery after latest ota

Hi,

I've just done an OTA update to 6.09.401.5
My phone is 801n, S-OFF with locked bl. Hboot is 1.57.

After the OTA I had lost root, so I went on to recovery (stock) to sideload supersu.
Much to my surprise, I can't adb with the stock recovery.

Looking in device manager, it just shows up as mass storage device.

I've added the device ID to the google driver inf:
%SingleAdbInterface% = USB_Install, USB\VID_0BB4&PID_0FF9

and forced the driver, which loaded fine. But adb devices still shows nothing.
Same thing when I force ADB Composite Device.
Also tried disabling and enabling USB debugging without any success.

Do you guys have a similar issue? Are your device ids the same as mine in recovery? ADB works?
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