diff --git a/src/Content/Text/BBCode.php b/src/Content/Text/BBCode.php
index f30b21351a..e80025bc05 100644
--- a/src/Content/Text/BBCode.php
+++ b/src/Content/Text/BBCode.php
@@ -1204,7 +1204,7 @@ class BBCode
 		$text = DI::cache()->get($cache_key);
 
 		if (is_null($text)) {
-			$curlResult = DI::httpClient()->head($match[1], [HttpClientOptions::TIMEOUT => DI::config()->get('system', 'xrd_timeout')]);
+			$curlResult = DI::httpClient()->head($match[1], [HttpClientOptions::TIMEOUT => DI::config()->get('system', 'xrd_timeout'), HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_DEFAULT]);
 			if ($curlResult->isSuccess()) {
 				$mimetype = $curlResult->getHeader('Content-Type')[0] ?? '';
 			} else {
@@ -1275,7 +1275,7 @@ class BBCode
 			return $text;
 		}
 
-		$curlResult = DI::httpClient()->head($match[1], [HttpClientOptions::TIMEOUT => DI::config()->get('system', 'xrd_timeout')]);
+		$curlResult = DI::httpClient()->head($match[1], [HttpClientOptions::TIMEOUT => DI::config()->get('system', 'xrd_timeout'), HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_DEFAULT]);
 		if ($curlResult->isSuccess()) {
 			$mimetype = $curlResult->getHeader('Content-Type')[0] ?? '';
 		} else {
diff --git a/src/Model/Post/Link.php b/src/Model/Post/Link.php
index 78f57425f8..6a88e4e03f 100644
--- a/src/Model/Post/Link.php
+++ b/src/Model/Post/Link.php
@@ -26,6 +26,7 @@ use Friendica\Core\System;
 use Friendica\Database\Database;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Network\HTTPClient\Client\HttpClient;
 use Friendica\Network\HTTPClient\Client\HttpClientOptions;
 use Friendica\Util\Proxy;
 
@@ -96,11 +97,11 @@ class Link
 		return $url . $id;
 	}
 
-	private static function fetchMimeType(string $url)
+	private static function fetchMimeType(string $url, string $accept = HttpClient::ACCEPT_DEFAULT)
 	{
 		$timeout = DI::config()->get('system', 'xrd_timeout');
 
-		$curlResult = DI::httpClient()->head($url, [HttpClientOptions::TIMEOUT => $timeout]);
+		$curlResult = DI::httpClient()->head($url, [HttpClientOptions::TIMEOUT => $timeout, HttpClientOptions::ACCEPT_CONTENT => $accept]);
 		if ($curlResult->isSuccess()) {
 			if (empty($media['mimetype'])) {
 				return $curlResult->getHeader('Content-Type')[0] ?? '';