Example does not finish (Ubuntu 14.04)

[linse]

Installed npm2debian via npm -g, the bem example produces an error. Is mkdir-p the right thing? Am I missing another module?

npm2debian bem
[..]
debchange --create --empty --package npm-bem --newversion 0.8.1-1 --distribution unstable --force-distribution "Release of bem 0.8.1"
Error: Cannot find module 'npm/lib/utils/mkdir-p'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Module.require (module.js:364:17)
    at require (module.js:380:17)
    at mkdir (/usr/local/lib/node_modules/npm2debian/lib/cli.js:357:5)
    at generateBashCompletion (/usr/local/lib/node_modules/npm2debian/lib/cli.js:266:12)
    at /usr/local/lib/node_modules/npm2debian/lib/cli.js:232:32
    at _fulfilled (/usr/local/lib/node_modules/npm2debian/node_modules/q/q.js:798:54)
    at self.promiseDispatch.done (/usr/local/lib/node_modules/npm2debian/node_modules/q/q.js:827:30)
    at Promise.promise.promiseDispatch (/usr/local/lib/node_modules/npm2debian/node_modules/q/q.js:760:13)