Sometimes get this error after deploying

After All Completed :) I got this
/.../node_modules/dploy/lib/deploy.js:791
          con.closed.add(function() {
                     ^
TypeError: Cannot call method 'add' of null
    at Deploy.module.exports.Deploy.removeConnections (/.../node_modules/dploy/lib/deploy.js:791:22)
    at Deploy.removeConnections (/.../node_modules/dploy/lib/deploy.js:3:61)
    at Deploy.module.exports.Deploy.nextOnQueue (/.../node_modules/dploy/lib/deploy.js:663:19)
    at /.../node_modules/dploy/lib/deploy.js:306:22
    at Object.SignalBinding.execute (/.../node_modules/dploy/node_modules/signals/dist/signals.js:93:48)
    at Object.Signal.dispatch (/.../node_modules/dploy/node_modules/signals/dist/signals.js:384:84)
    at Object.Signal.dispatch (/.../node_modules/dploy/node_modules/signals/dist/signals.js:187:39)
    at null.
npm ERR! Darwin 14.3.0
npm ERR! argv "node" "/usr/local/bin/npm" "run" "upload"
npm ERR! node v0.10.35
npm ERR! npm  v2.5.1
npm ERR! code ELIFECYCLE
npm ERR! Kata.im@0.4.4 upload: `node build/upload.js`
npm ERR! Exit status 8
npm ERR!
npm ERR! Failed at the Kata.im@0.4.4 upload script 'node build/upload.js'.
npm ERR! This is most likely a problem with the Kata.im package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node build/upload.js
npm ERR! You can get their info via:
npm ERR!     npm owner ls Kata.im
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /.../npm-debug.log
lucasmotta / dploy

Sometimes get this error after deploying #74
