Startify opens shells in vim

[maxbossing]

When I open neovim, my startify screen opens but has the output from a new shell window.

In my init.vim I have the line

let g:startify_bookmarks = systemlist("cut -sd' ' -f 2- ~/.NERDTreeBookmarks")

to show my NERDTree Bookmarks, thats the only thing I changed about it.

When I open vim with the same config, It's just normal