diff --git a/lib/filelib.php b/lib/filelib.php
index c67e7e958ec..4dd44463560 100644
--- a/lib/filelib.php
+++ b/lib/filelib.php
@@ -1471,7 +1471,7 @@ function &get_mimetypes_array() {
         'f4v'  => array ('type'=>'video/mp4', 'icon'=>'flash', 'groups'=>array('video','web_video'), 'string'=>'video'),
 
         'gallery'           => array ('type'=>'application/x-smarttech-notebook', 'icon'=>'archive'),
-        'galleryitem,'      => array ('type'=>'application/x-smarttech-notebook', 'icon'=>'archive'),
+        'galleryitem'       => array ('type'=>'application/x-smarttech-notebook', 'icon'=>'archive'),
         'gallerycollection' => array ('type'=>'application/x-smarttech-notebook', 'icon'=>'archive'),
         'gif'  => array ('type'=>'image/gif', 'icon'=>'gif', 'groups'=>array('image', 'web_image'), 'string'=>'image'),
         'gtar' => array ('type'=>'application/x-gtar', 'icon'=>'archive', 'groups'=>array('archive'), 'string'=>'archive'),