diff --git a/tests/test_apis.py b/tests/test_apis.py
index a538a36..4aab03f 100644
--- a/tests/test_apis.py
+++ b/tests/test_apis.py
@@ -4,7 +4,7 @@ from __future__ import unicode_literals
 import unittest
 
 import mock
-
+import pytest
 
 import dotdot
 
@@ -20,7 +20,7 @@ class APITests(unittest.TestCase):
     @mock.patch('pubs.apis.requests.get', side_effect=mock_requests.mock_requests_get)
     def test_readme(self, reqget):
         apis.doi2bibtex('10.1007/s00422-012-0514-6')
-        apis.isbn2bibtex('978-0822324669')
+        # apis.isbn2bibtex('978-0822324669')  # FIXME: uncomment when ISBNs work again
         apis.arxiv2bibtex('math/9501234')
 
 class TestDOI2Bibtex(APITests):
@@ -56,6 +56,7 @@ class TestISBN2Bibtex(APITests):
     #     self.assertIsInstance(bib, ustr)
     #     self.assertIn('Poincaré, Henri', bib)
 
+    @pytest.mark.skip(reason="isbn is not working anymore, see https://github.com/pubs/pubs/issues/276")
     @mock.patch('pubs.apis.requests.get', side_effect=mock_requests.mock_requests_get)
     def test_parses_to_bibtex(self, reqget):
         bib = apis.get_bibentry_from_api('9782081336742', 'ISBN')