diff --git a/lib/mvcfronk/mfLayout/mfLayout.php b/lib/mvcfronk/mfLayout/mfLayout.php
index e854a12d4..9881ed950 100644
--- a/lib/mvcfronk/mfLayout/mfLayout.php
+++ b/lib/mvcfronk/mfLayout/mfLayout.php
@@ -286,7 +286,7 @@ function __($_string, $prefix = null) {
   global $last_translation_failed;
   $last_translation_failed = false;
   
-  $string = str_replace(["Ä","Ö","Ü","ß","ä","ö","ü","ss"], ["ae","oe","ue"], strtolower($_string));
+  $string = str_replace(["Ä","Ö","Ü","ß","ä","ö","ü","ß"], ["ae","oe","ue","ss","ae","oe","ue", "ss"], strtolower($_string));
   
   
   if(!$lang) {