1 files changed, 2 insertions, 0 deletions
diff --git a/tests/rest/client/v2_alpha/test_register.py b/tests/rest/client/v2_alpha/test_register.py
index e9cb416e4b..b4a787c436 100644
--- a/tests/rest/client/v2_alpha/test_register.py
+++ b/tests/rest/client/v2_alpha/test_register.py
@@ -3,6 +3,7 @@ from synapse.api.errors import SynapseError
 from twisted.internet import defer
 from mock import Mock
 from tests import unittest
+from tests.utils import mock_getRawHeaders
 import json
 
 
@@ -16,6 +17,7 @@ class RegisterRestServletTestCase(unittest.TestCase):
             path='/_matrix/api/v2_alpha/register'
         )
         self.request.args = {}
+        self.request.requestHeaders.getRawHeaders = mock_getRawHeaders()
 
         self.appservice = None
         self.auth = Mock(get_appservice_by_req=Mock(