1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index 10f4972369..d23bcecbad 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -200,7 +200,7 @@ class Auth(object):
             )[0]
             if user and access_token and ip_addr:
                 self.store.insert_client_ip(
-                    user=user,
+                    user_id=user.to_string(),
                     access_token=access_token,
                     ip=ip_addr,
                     user_agent=user_agent,