 
 		(callback) ->
 			return callback() if not IS_WINDOWS
-			win32.rescanDrives(callback)
+			win32.rescanDrives(_.unary(callback))
 
 		(callback) ->
 			if not options.progress

os = require('os')
fs = require('fs')
_ = require('lodash')
async = require('async')

IS_WINDOWS = os.platform() is 'win32'


		(callback) ->
			return callback() if not IS_WINDOWS
			win32.rescanDrives(_.unary(callback))

	], (error) ->
		return callback() if not error?
