2 files changed, 4 insertions, 0 deletions
diff --git a/synapse/rest/client/capabilities.py b/synapse/rest/client/capabilities.py
index 3154b9f77e..002e8f3a4c 100644
--- a/synapse/rest/client/capabilities.py
+++ b/synapse/rest/client/capabilities.py
@@ -68,6 +68,9 @@ class CapabilitiesRestServlet(RestServlet):
                 "m.get_login_token": {
                     "enabled": self.config.auth.login_via_existing_enabled,
                 },
+                "org.matrix.msc3882.get_login_token": {
+                    "enabled": self.config.auth.login_via_existing_enabled,
+                },
             }
         }
 
diff --git a/synapse/rest/client/login.py b/synapse/rest/client/login.py
index 7be327e26f..35f1899af2 100644
--- a/synapse/rest/client/login.py
+++ b/synapse/rest/client/login.py
@@ -174,6 +174,7 @@ class LoginRestServlet(RestServlet):
             # If the login token flow is enabled advertise the get_login_token flag.
             if self._get_login_token_enabled:
                 tokenTypeFlow["get_login_token"] = True
+                tokenTypeFlow["org.matrix.msc3882.get_login_token"] = True
             flows.append(tokenTypeFlow)
 
         flows.extend({"type": t} for t in self.auth_handler.get_supported_login_types())