diff --git a/djrill/tests/test_mandrill_send.py b/djrill/tests/test_mandrill_send.py
index 583d5b1..af88a0d 100644
--- a/djrill/tests/test_mandrill_send.py
+++ b/djrill/tests/test_mandrill_send.py
@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from base64 import b64decode
 from datetime import date, datetime, timedelta, tzinfo
 from email.mime.base import MIMEBase
@@ -177,6 +179,24 @@ class DjrillBackendTests(DjrillBackendMockAPITestCase):
         # Make sure the image attachment is not treated as embedded:
         self.assertFalse('images' in data['message'])
 
+    def test_unicode_attachment_correctly_decoded(self):
+        unicode_attachment = [
+            ('before_html.html', u'<p>\u2019</p>', 'text/html'),
+        ]
+        email = mail.EmailMessage(
+            subject='Subject',
+            body='Body goes here',
+            from_email='from@example.com',
+            to=['to1@example.com'],
+            attachments=unicode_attachment,
+        )
+
+        email.send()
+        data = self.get_api_call_data()
+
+        attachments = data['message']['attachments']
+        self.assertEqual(len(attachments), 1)
+
     def test_embedded_images(self):
         image_data = self.sample_image_content()  # Read from a png file
         image_cid = make_msgid("img")  # Content ID per RFC 2045 section 7 (with <...>)