diff --git a/mod/resource/type/file/resource.class.php b/mod/resource/type/file/resource.class.php
index 50beccfe3d7..e63abaad939 100644
--- a/mod/resource/type/file/resource.class.php
+++ b/mod/resource/type/file/resource.class.php
@@ -574,7 +574,7 @@ class resource_file extends resource_base {
                      '<script type="text/javascript">'."\n".
                      '//<![CDATA['."\n".
                        'var FO = { movie:"'.$CFG->wwwroot.'/filter/mediaplugin/flvplayer.swf?file='.$cleanurl.'",'."\n".
-                         'width:"600", height:"400", majorversion:"6", build:"40", allowscriptaccess:"never", quality: "high" };'."\n".
+                         'width:"600", height:"400", majorversion:"6", build:"40", allowscriptaccess:"never", allowfullscreen:"true", quality: "high" };'."\n".
                        'UFO.create(FO, "'.$id.'");'."\n".
                      '//]]>'."\n".
                      '</script>'."\n";