diff --git a/tailbone/views/master.py b/tailbone/views/master.py
index b22f9ee4..0da39c0b 100644
--- a/tailbone/views/master.py
+++ b/tailbone/views/master.py
@@ -1398,9 +1398,9 @@ class MasterView(View):
         for obj in results:
             writer.writerow(self.get_csv_row(obj, fields))
         response = self.request.response
-        response.text = data.getvalue().decode('utf_8')
+        response.body = data.getvalue()
         data.close()
-        response.content_length = len(response.text)
+        response.content_length = len(response.body)
         response.content_type = b'text/csv'
         response.content_disposition = b'attachment; filename={}.csv'.format(self.get_grid_key())
         return response