diff --git a/ckan/tests/controllers/test_user.py b/ckan/tests/controllers/test_user.py
index a1a59dc8f4a..b7e8fe7bdb8 100644
--- a/ckan/tests/controllers/test_user.py
+++ b/ckan/tests/controllers/test_user.py
@@ -55,7 +55,7 @@ def test_register_user_bad_password(self):
         form['password2'] = ''
 
         response = form.submit('save')
-        assert_true(response, 'The passwords you entered do not match')
+        assert_true('The passwords you entered do not match' in response)
 
 
 class TestLoginView(helpers.FunctionalTestBase):