1 files changed, 2 insertions, 4 deletions
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index 8619fbb982..dd14ab69d7 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -470,9 +470,7 @@ class AuthHandler(BaseHandler):
             # authentication flow.
             await self.store.set_ui_auth_clientdict(sid, clientdict)
 
-        user_agent = request.requestHeaders.getRawHeaders(b"User-Agent", default=[b""])[
-            0
-        ].decode("ascii", "surrogateescape")
+        user_agent = request.get_user_agent("")
 
         await self.store.add_user_agent_ip_to_ui_auth_session(
             session.session_id, user_agent, clientip
@@ -692,7 +690,7 @@ class AuthHandler(BaseHandler):
         Creates a new access token for the user with the given user ID.
 
         The user is assumed to have been authenticated by some other
-        machanism (e.g. CAS), and the user_id converted to the canonical case.
+        mechanism (e.g. CAS), and the user_id converted to the canonical case.
 
         The device will be recorded in the table if it is not there already.