1 files changed, 1 insertions, 0 deletions

diff --git a/synapse/api/constants.py b/synapse/api/constants.py

index ee129c8689..7444434048 100644
--- a/synapse/api/constants.py
+++ b/synapse/api/constants.py
@@ -57,6 +57,7 @@ class LoginType(object):
     EMAIL_IDENTITY = u"m.login.email.identity"
     MSISDN = u"m.login.msisdn"
     RECAPTCHA = u"m.login.recaptcha"
+    SSO = u"m.login.sso"
     TERMS = u"m.login.terms"
     DUMMY = u"m.login.dummy"