diff --git a/classes/Modules/Ticket/Task/TicketImportHelper.php b/classes/Modules/Ticket/Task/TicketImportHelper.php
index 0a5eb687..74cb5c61 100644
--- a/classes/Modules/Ticket/Task/TicketImportHelper.php
+++ b/classes/Modules/Ticket/Task/TicketImportHelper.php
@@ -769,6 +769,12 @@ class TicketImportHelper
                         $dateiname = $this->formatter->encodeToUtf8($dateiname);
                         $dateiname = htmlspecialchars_decode($dateiname);
                     }
+                    if (stripos(strtoupper($dateiname), 'UTF-8\'\'') == 0) {
+                        $dateiname = $this->formatter->encodeToUtf8(urldecode(substr($dateiname,7)));
+                        $dateiname = htmlspecialchars_decode($dateiname);
+                    }
+
+                    $this->logger->debug("Attachment cleaned", ['filename' => $dateiname]);
 
                     if ($DEBUG) {
                         echo "CreateDatei($dateiname,{$dateiname},\"\",\"\",\"datei\",\"Support Mail\",true,"