diff --git a/Service/DataExporter.php b/Service/DataExporter.php
index 7a100fd..b97a58b 100644
--- a/Service/DataExporter.php
+++ b/Service/DataExporter.php
@@ -408,7 +408,7 @@ public function setColumns(Array $columns)
      */
     public function prepareCSV()
     {
-        return implode("\n", $this->data);
+        return chr(239) . chr(187) . chr(191). implode("\n", $this->data);
     }
 
     /**