Find the method:
Replace it with the following one:
public function getPath()
{
// 2016-12-16
// https://mage2.pro/t/2389
$result = $this->context->getPath();
$result = $this->join($result, $this->getModule());
$result = $this->join($result, $this->getMiscPath());
return $this->join($result, $this->getFilePath());
}