diff --git a/lib/thumbnail.lib.php b/lib/thumbnail.lib.php
index baf036d69..d56497c6d 100644
--- a/lib/thumbnail.lib.php
+++ b/lib/thumbnail.lib.php
@@ -42,6 +42,9 @@ function get_list_thumbnail($bo_table, $wr_id, $thumb_width, $thumb_height, $is_
                 $filename = basename($srcfile);
                 $filepath = dirname($srcfile);
 
+                preg_match("/alt=[\'\"]{1}(.*)[\'\"]{1}/", $matchs[0][$i], $malt);
+                $alt = get_text($malt[1]);
+
                 break;
             }
         }