Bug#742127:

[Francois Carpentier <francewhoa@ubertus.com>]

Confirming this issue

Steps to reproduce
1. Use http://cdimage.debian.org/cdimage/jessie_di_alpha_1/amd64/iso-cd/debian-jessie-DI-a1-amd64-netinst.iso

2. During installation select "Advanced options" > "Alternative desktop environments" > "GNOME" is empty except for the "Back" option.

3. Expected result is user should be able to select a Gnome "Install", "Graphical install"