diff --git a/html/includes/functions.inc.php b/html/includes/functions.inc.php
index d5c4c5308f..72596ac353 100644
--- a/html/includes/functions.inc.php
+++ b/html/includes/functions.inc.php
@@ -191,7 +191,7 @@ function overlib_link($url, $text, $contents, $class)
   if ($config['web_mouseover'] === FALSE) {
       $output .= ">";
   } else {
-      $output .= " onmouseover=\"return overlib('".$contents."'".$config['overlib_defaults'].",WRAP,HAUTO,VAUTO); \" onmouseout=\"return nd();\">";
+      $output .= " onmouseover=\"return overlib('".str_replace('data-original', 'src', $contents)."'".$config['overlib_defaults'].",WRAP,HAUTO,VAUTO); \" onmouseout=\"return nd();\">";
   }
   $output .= $text."</a>";