daniel@base:rubyconfbr-nodejs (master)$ node server.js

node.js:134
        throw e; // process.nextTick error, or 'error' event on first tick
        ^
TypeError: Cannot read property 'prototype' of undefined
    at Object.<anonymous> (/var/www/daniel/tests/rubyconfbr-nodejs/node_modules/express/lib/express/server.js:87:44)
    at Module._compile (module.js:411:26)
    at Object..js (module.js:417:10)
    at Module.load (module.js:343:31)
    at Function._load (module.js:302:12)
    at require (module.js:355:19)
    at Object.<anonymous> (/var/www/daniel/tests/rubyconfbr-nodejs/node_modules/express/lib/express/index.js:28:31)
    at Module._compile (module.js:411:26)
    at Object..js (module.js:417:10)
    at Module.load (module.js:343:31)