Cannot find buildbug module if buildbug module exists in node_modules in parent folder

[brianneisler]

Cannot find module '/Users/brianneisler/Sites/hengedocks/hengedocks/scripts/shopify/node_modules/buildbug/scripts/buildbug-build-runner.js'
at Function.Module._resolveFilename (module.js:338:15)
at Function.Module._load (module.js:280:25)
at Function.Module.runMain (module.js:497:10)
at startup (node.js:119:16)
at node.js:906:3
Buildbug completed with an error
Buildbug completed with an error
at StackTraceUtil.generateStackTrace (/usr/local/lib/node_modules/buildbug/lib/util/StackTraceUtil.js:63:21)
at Object.Class.extend.generateStackTrace (/usr/local/lib/node_modules/buildbug/lib/throwable/Throwable.js:250:57)
at Object.Class.extend.buildStackTrace (/usr/local/lib/node_modules/buildbug/lib/throwable/Throwable.js:228:42)
at Object.Class.extend._constructor (/usr/local/lib/node_modules/buildbug/lib/throwable/Throwable.js:108:18)
at Object.prototype.(anonymous function) as _constructor
at Object.newConstructor (/usr/local/lib/node_modules/buildbug/lib/core/Class.js:234:39)
at ChildProcess. (/usr/local/lib/node_modules/buildbug/lib/BuildBugMaster.js:245:36)
at ChildProcess.EventEmitter.emit (events.js:98:17)
at maybeClose (child_process.js:753:16)
at Socket. (child_process.js:966:11)
at Socket.EventEmitter.emit (events.js:95:17)
at Pipe.close (net.js:465:12)