diff --git a/lib/filelib.php b/lib/filelib.php
index abde79997a9..55154261cd2 100644
--- a/lib/filelib.php
+++ b/lib/filelib.php
@@ -64,9 +64,10 @@ function get_mimetypes_array() {
         'dxr'  => array ('type'=>'application/x-director', 'icon'=>'flash.gif'),
         'eps'  => array ('type'=>'application/postscript', 'icon'=>'pdf.gif'),
         'fdf'  => array ('type'=>'application/pdf', 'icon'=>'pdf.gif'),
+        'flv'  => array ('type'=>'video/x-flv', 'icon'=>'video.gif'),
         'gif'  => array ('type'=>'image/gif', 'icon'=>'image.gif'),
         'gtar' => array ('type'=>'application/x-gtar', 'icon'=>'zip.gif'),
-        'tgz'   => array ('type'=>'application/g-zip', 'icon'=>'zip.gif'),
+        'tgz'  => array ('type'=>'application/g-zip', 'icon'=>'zip.gif'),
         'gz'   => array ('type'=>'application/g-zip', 'icon'=>'zip.gif'),
         'gzip' => array ('type'=>'application/g-zip', 'icon'=>'zip.gif'),
         'h'    => array ('type'=>'text/plain', 'icon'=>'text.gif'),