diff --git a/include/functions.inc.php b/include/functions.inc.php
index 88cd5c462..c275360bb 100644
--- a/include/functions.inc.php
+++ b/include/functions.inc.php
@@ -498,7 +498,8 @@ function convertProblemChars($str)
    'Y' => '/Ý/',
    'y' => '/ý|ÿ/',
    'a.' => '/ª/',
-   'o.' => '/º/'
+   'o.' => '/º/',
+   'ss' => '/ß/'
 	);
 
 	return preg_replace($acentos, array_keys($acentos), htmlentities($str,ENT_NOQUOTES, $enc));