diff --git a/htdocs/admin/security.php b/htdocs/admin/security.php
index 26dcdc85b8d..291a2948987 100644
--- a/htdocs/admin/security.php
+++ b/htdocs/admin/security.php
@@ -212,7 +212,7 @@ if (is_resource($handle))
 {
     while (($file = readdir($handle))!==false)
     {
-        if (preg_match('/(modGeneratePass[a-z]+)\.class\.php/i',$file,$reg))
+        if (preg_match('/(modGeneratePass[a-z]+)\.class\.php$/i',$file,$reg))
         {
             // Charging the numbering class
             $classname = $reg[1];