--- typo3_src/typo3/sysext/cms/tslib/class.tslib_mediawizardcoreprovider.php	(revision )
+++ typo3_src/typo3/sysext/cms/tslib/class.tslib_mediawizardcoreprovider.php	(revision )
@@ -118,6 +118,8 @@
 	 */
 	protected function process_youtube($url) {
 		$videoId = '';
+        $http = 'http';
+
 		if (strpos($url, '/user/') !== FALSE) {
 				// it's a channel
 			$parts = explode('/', $url);
@@ -126,8 +128,12 @@
 			$videoId = $matches[2];
 		}
 
+        if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {
+            $http = 'http';
+        }
+
 		if ($videoId) {
-			$url = 'http://www.youtube.com/v/' . $videoId . '?fs=1';
+			$url = $http . '://www.youtube.com/v/' . $videoId . '?fs=1';
 		}
 		return $url;
 	}