diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index c79066f774..a52b67013b 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -142,7 +142,7 @@ class RegistrationStore(SQLBaseStore):
         """
         def f(txn):
             sql = (
-                "SELECT name, password_hash, is_guest FROM users"
+                "SELECT name, password_hash FROM users"
                 " WHERE lower(name) = lower(?)"
             )
             txn.execute(sql, (user_id,))