diff --git a/lastpass/fetcher.py b/lastpass/fetcher.py
index cfd6d04..e48a266 100644
--- a/lastpass/fetcher.py
+++ b/lastpass/fetcher.py
@@ -34,7 +34,7 @@ def logout(session, web_client=http):
     )
 
     if response.status_code != requests.codes.ok:
-        raise NetworkError()
+        raise NetworkError("%s %s" % (response.status_code, response.reason))
 
 
 def fetch(session, web_client=http):
@@ -42,7 +42,7 @@ def fetch(session, web_client=http):
                               cookies={'PHPSESSID': session.id})
 
     if response.status_code != requests.codes.ok:
-        raise NetworkError()
+        raise NetworkError("%s %s" % (response.status_code, response.reason))
 
     return blob.Blob(decode_blob(response.content), session.key_iteration_count)
 
@@ -51,7 +51,7 @@ def request_iteration_count(username, web_client=http):
     response = web_client.post('https://lastpass.com/iterations.php',
                                data={'email': username})
     if response.status_code != requests.codes.ok:
-        raise NetworkError()
+        raise NetworkError("%s %s" % (response.status_code, response.reason))
 
     try:
         count = int(response.content)
@@ -83,7 +83,7 @@ def request_login(username, password, key_iteration_count, multifactor_password=
                                data=body)
 
     if response.status_code != requests.codes.ok:
-        raise NetworkError()
+        raise NetworkError("%s %s" % (response.status_code, response.reason))
 
     try:
         parsed_response = etree.fromstring(response.content)
diff --git a/tests/test_fetcher.py b/tests/test_fetcher.py
index 63ee05e..7801e9b 100644
--- a/tests/test_fetcher.py
+++ b/tests/test_fetcher.py
@@ -2,6 +2,8 @@
 from base64 import b64decode
 import unittest
 import mock
+from nose.tools import assert_raises
+
 import lastpass
 from lastpass.blob import Blob
 from lastpass import fetcher
@@ -167,7 +169,9 @@ def test_fetch_returns_a_blob(self):
     def test_fetch_raises_exception_on_http_error(self):
         m = mock.Mock()
         m.get.return_value = self._http_error()
-        self.assertRaises(lastpass.NetworkError, fetcher.fetch, self.session, m)
+        with assert_raises(lastpass.NetworkError) as e:
+            fetcher.fetch(self.session, m)
+        self.assertEqual(str(e.exception), "404 Not Found")
 
     def test_make_key_generates_correct_keys(self):
         keys = [
@@ -204,17 +208,18 @@ def _verify_request_login_post_request(self, multifactor_password, device_id, po
         m.post.assert_called_with('https://lastpass.com/login.php', data=post_data)
 
     @staticmethod
-    def _mock_response(code, body):
+    def _mock_response(code, body, reason=""):
         m = mock.Mock()
         m.status_code = code
         m.content = body
+        m.reason = reason
         return m
 
     def _http_ok(self, body):
-        return self._mock_response(200, body)
+        return self._mock_response(200, body, "OK")
 
     def _http_error(self, body=''):
-        return self._mock_response(404, body)
+        return self._mock_response(404, body, "Not Found")
 
     @staticmethod
     def _lastpass_error(cause, message):