diff --git a/base_import_async/models/base_import_import.py b/base_import_async/models/base_import_import.py
index 9eb2712e46..ec35468433 100644
--- a/base_import_async/models/base_import_import.py
+++ b/base_import_async/models/base_import_import.py
@@ -101,7 +101,8 @@ def _create_csv_attachment(self, fields, data, options, file_name):
         attachment = self.env['ir.attachment'].create({
             'name': file_name,
             'datas': datas,
-            'datas_fname': file_name
+            'datas_fname': file_name,
+            'type': 'binary'
         })
         return attachment