diff --git a/tackerclient/tests/unit/test_cli10.py b/tackerclient/tests/unit/test_cli10.py
index e88d641a..3ba30b40 100644
--- a/tackerclient/tests/unit/test_cli10.py
+++ b/tackerclient/tests/unit/test_cli10.py
@@ -711,7 +711,7 @@ class CLITestV10ExceptionHandler(CLITestV10Base):
                 expected_msg = '\n'.join([error_msg, error_detail])
             else:
                 expected_msg = error_msg
-        self.assertEqual(expected_msg, e.message)
+        self.assertEqual(expected_msg, str(e))
 
     def test_exception_handler_v10_ip_address_in_use(self):
         err_msg = ('Unable to complete operation for network '
diff --git a/tackerclient/tests/unit/test_http.py b/tackerclient/tests/unit/test_http.py
index d14afe0b..6aa0fade 100644
--- a/tackerclient/tests/unit/test_http.py
+++ b/tackerclient/tests/unit/test_http.py
@@ -70,7 +70,7 @@ class TestHTTPClient(testtools.TestCase):
 
         e = self.assertRaises(exceptions.Unauthorized,
                               self.http._cs_request, URL, METHOD)
-        self.assertEqual('unauthorized message', e.message)
+        self.assertEqual('unauthorized message', str(e))
         self.mox.VerifyAll()
 
     def test_request_forbidden_is_returned_to_caller(self):