diff --git a/typo3/sysext/core/Configuration/DefaultConfiguration.php b/typo3/sysext/core/Configuration/DefaultConfiguration.php
index 8ed9668be21db75b9137cdb56e05fa56eaba5e59..ddf983bd1e12f6d0c99bf17b5286f622ba340319 100644
--- a/typo3/sysext/core/Configuration/DefaultConfiguration.php
+++ b/typo3/sysext/core/Configuration/DefaultConfiguration.php
@@ -86,7 +86,7 @@ return array(
 		 */
 		'curlTimeout' => 0,						// Integer: Timeout value for cURL requests in seconds. 0 means to wait indefinitely. Deprecated since 4.6 - will be removed in 6.2. See below for http options.
 		'textfile_ext' => 'txt,ts,typoscript,html,htm,css,tmpl,js,sql,xml,csv,xlf',	// Text file extensions. Those that can be edited. Executable PHP files may not be editable in webspace if disallowed!
-		'mediafile_ext' => 'gif,jpg,jpeg,bmp,png,pdf,svg,ai,mov,avi,youtube,vimeo',	// Commalist of file extensions perceived as media files by TYPO3. Lowercase and no spaces between!
+		'mediafile_ext' => 'gif,jpg,jpeg,bmp,png,pdf,svg,ai,mp3,wav,mp4,webm,youtube,vimeo',	// Commalist of file extensions perceived as media files by TYPO3. Lowercase and no spaces between!
 		'binPath' => '',						// String: List of absolute paths where external programs should be searched for. Eg. <code>/usr/local/webbin/,/home/xyz/bin/</code>. (ImageMagick path have to be configured separately)
 		'binSetup' => '',						// String (textarea): List of programs (separated by newline or comma). By default programs will be searched in default paths and the special paths defined by 'binPath'. When PHP has openbasedir enabled the programs can not be found and have to be configured here. Example: <code>perl=/usr/bin/perl,unzip=/usr/local/bin/unzip</code>
 		't3lib_cs_convMethod' => '',			// String (values: "iconv", "recode", "mbstring", default is homemade PHP-code). Defines which of these PHP-features to use for various charset conversion functions in \TYPO3\CMS\Core\Charset\CharsetConverter. Will speed up charset conversion radically.