Index: wp-admin/upload.php
===================================================================
--- wp-admin/upload.php	(revision 17310)
+++ wp-admin/upload.php	(working copy)
@@ -163,7 +163,7 @@
 <div class="wrap">
 <?php screen_icon(); ?>
 <h2><?php echo esc_html( $title ); ?> <a href="media-new.php" class="button add-new-h2"><?php echo esc_html_x('Add New', 'file'); ?></a> <?php
-if ( isset($_GET['s']) && $_GET['s'] )
+if ( ! empty( $_REQUEST['s'] ) )
 	printf( '<span class="subtitle">' . __('Search results for &#8220;%s&#8221;') . '</span>', get_search_query() ); ?>
 </h2>