Error in plugin 'gulp-notify

ubuntu@NAME:/var/www/html/FOLDER# gulp
[14:04:56] Using gulpfile /var/www/html/FOLDER/gulpfile.js
[14:04:56] Starting 'default'...
[14:04:56] Starting 'sass'...
[14:04:56] Running Sass: resources/assets/sass/app.scss
[14:04:56] Finished 'default' after 532 ms
[14:04:56] gulp-notify: [Laravel Elixir] Sass Compiled!
[14:04:56] Finished 'sass' after 666 ms
[14:04:56] gulp-notify: [Error in notifier] Error in plugin 'gulp-notify'not found: notify-send

sudo apt-get update
sudo apt-get install libnotify-bin

http://stackoverflow.com/questions/31431503/gulp-notify-error-in-notifier-error-in-plugin-gulp-notify-not-found-notify