Running rn-nodeify breaks node_modules

After running ./node_modules/.bin/rn-nodeify --install --hack it does some weird thing to my react-native dep (turns the folder under node_modules into a bunch of empty folders):
screen shot 2017-07-05 at 10 41 45 am
I thought it was something with yarn, but no, if I don't run rn-nodeify it's ok. Why? How can I fix?