@ -312,7 +312,7 @@ class ImageConvert extends ImageBase {
$this->destroy();
}
$this->temp = tempnam($config['tmp'], 'convert');
$this->temp = tempnam($config['tmp'], 'convert') . ($config['thumb_ext'] == '' ? '' : '.' . $config['thumb_ext']);
$config['thumb_keep_animation_frames'] = (int)$config['thumb_keep_animation_frames'];