diff --git a/setup/webmail.sh b/setup/webmail.sh
index 3f258829..78c632ec 100755
--- a/setup/webmail.sh
+++ b/setup/webmail.sh
@@ -63,6 +63,9 @@ if [ $needs_update == 1 ]; then
 	# install roundcube persistent_login plugin
 	git_clone https://github.com/mfreiholz/Roundcube-Persistent-Login-Plugin.git $PERSISTENT_LOGIN_VERSION '' /usr/local/lib/roundcubemail/plugins/persistent_login
 
+	# install roundcube html5_notifier plugin
+	git_clone https://github.com/kitist/html5_notifier.git /usr/local/lib/roundcubemail/plugins/html5_notifier
+
 	# record the version we've installed
 	echo $UPDATE_KEY > /usr/local/lib/roundcubemail/version
 fi
@@ -96,7 +99,7 @@ cat > /usr/local/lib/roundcubemail/config/config.inc.php <<EOF;
 \$config['support_url'] = 'https://mailinabox.email/';
 \$config['product_name'] = 'Mail-in-a-Box/Roundcube Webmail';
 \$config['des_key'] = '$SECRET_KEY';
-\$config['plugins'] = array('archive', 'zipdownload', 'password', 'managesieve', 'jqueryui', 'vacation_sieve', 'persistent_login');
+\$config['plugins'] = array('html5_notifier', 'archive', 'zipdownload', 'password', 'managesieve', 'jqueryui', 'vacation_sieve', 'persistent_login');
 \$config['skin'] = 'classic';
 \$config['login_autocomplete'] = 2;
 \$config['password_charset'] = 'UTF-8';