diff --git a/filter/mediaplugin/filter.php b/filter/mediaplugin/filter.php
index 6aa5659bc8f..7e0c5e536bf 100644
--- a/filter/mediaplugin/filter.php
+++ b/filter/mediaplugin/filter.php
@@ -52,6 +52,12 @@ class mediaplugin_filter extends moodle_text_filter {
         if ($CFG->filter_mediaplugin_enable_mov) {
             $search = '/<a.*?href="([^<]+\.mov)(\?d=([\d]{1,3}%?)x([\d]{1,3}%?))?"[^>]*>.*?<\/a>/is';
             $newtext = preg_replace_callback($search, 'mediaplugin_filter_qt_callback', $newtext);
+
+            $search = '/<a.*?href="([^<]+\.mp4)(\?d=([\d]{1,4}%?)x([\d]{1,4}%?))?"[^>]*>.*?<\/a>/is';
+            $newtext = preg_replace_callback($search, 'mediaplugin_filter_qt_callback', $newtext);
+
+            $search = '/<a.*?href="([^<]+\.m4v)(\?d=([\d]{1,4}%?)x([\d]{1,4}%?))?"[^>]*>.*?<\/a>/is';
+            $newtext = preg_replace_callback($search, 'mediaplugin_filter_qt_callback', $newtext);
         }
 
         if ($CFG->filter_mediaplugin_enable_wmv) {