1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/data_stores/main/registration.py b/synapse/storage/data_stores/main/registration.py
index cb4b2b39a0..49306642ed 100644
--- a/synapse/storage/data_stores/main/registration.py
+++ b/synapse/storage/data_stores/main/registration.py
@@ -291,7 +291,7 @@ class RegistrationWorkerStore(SQLBaseStore):
             desc="is_server_admin",
         )
 
-        return res if res else False
+        return bool(res) if res else False
 
     def set_server_admin(self, user, admin):
         """Sets whether a user is an admin of this homeserver.