diff --git a/extension/Classes/Core/Helper/Sanitize.php b/extension/Classes/Core/Helper/Sanitize.php
index 5c75858c0082cb435aa5f53cbd1c8bbd51e40961..911fa9a2937deb08c5c95f0cd2d091b8b8a87380 100644
--- a/extension/Classes/Core/Helper/Sanitize.php
+++ b/extension/Classes/Core/Helper/Sanitize.php
@@ -222,12 +222,7 @@ class Sanitize {
             $filename = basename($filename);
         }
 
-        $res = preg_replace($search, $replace, $filename);
-
-        // remove multiple consecutive '_'
-        $res = preg_replace('~_+~', '_', $res);
-
-        return $res;
+        return preg_replace($search, $replace, $filename);
     } // safeFilename()
 
     /**