&& $options['decode_content'] !== true
) {
// Ensure that we don't have the header in different case and set the new value.
- $options['_conditional'] = Psr7\_caseless_remove(['Accept-Encoding'], $modify['set_headers']);
+ $options['_conditional'] = Psr7\_caseless_remove(['Accept-Encoding'], $options['_conditional']);
$modify['set_headers']['Accept-Encoding'] = $options['decode_content'];
}