diff --git a/wp-admin/upload.php b/wp-admin/upload.php
index 1f248ac4d8..c137fb912f 100644
--- a/wp-admin/upload.php
+++ b/wp-admin/upload.php
@@ -142,7 +142,7 @@ if ( $page_links )
 <?php
 
 if ( !is_singular() ) :
-	$arc_query = "SELECT DISTINCT YEAR(post_date) AS yyear, MONTH(post_date) AS mmonth FROM $wpdb->posts WHERE post_type = 'post' ORDER BY post_date DESC";
+	$arc_query = "SELECT DISTINCT YEAR(post_date) AS yyear, MONTH(post_date) AS mmonth FROM $wpdb->posts WHERE post_type = 'attachment' ORDER BY post_date DESC";
 
 	$arc_result = $wpdb->get_results( $arc_query );