Wrong installation path

[atarwn]

make install-modern installs extension into simple-tiling@domoel/simple-tiling@domoe/

[a@g5 ~]$ cd ~/.local/share/gnome-shell/extensions/
[a@g5 extensions]$ ls
simple-tiling@domoel
[a@g5 extensions]$ ls simple-tiling@domoel/
simple-tiling@domoel
[a@g5 extensions]$ ls simple-tiling@domoel/simple-tiling@domoel/
exceptions.txt  extension.js  LICENSE  metadata.json  prefs.js  README.md  schemas