'node_modules\protractor\bin\webdriver-manager' is not recognized as an internal or external command,

[mpiasta-ca]

$ grunt build
Running "bower:setup" (bower) task
>> Installed bower packages

Running "shell:webdriver-manager-update" (shell) task
>> 'node_modules\protractor\bin\webdriver-manager' is not recognized as an inter
nal or external command,
>> operable program or batch file.
Warning: Done, with errors. Use --force to continue.

Aborted due to warnings.

Needs to be node node_modules/protractor/bin/webdriver-manager update to work on Windows (prefix the cmd with node) on line 33 of Gruntfile.js.