1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/app/_base.py b/synapse/app/_base.py
index 8f5b1a20f5..41d2732ef9 100644
--- a/synapse/app/_base.py
+++ b/synapse/app/_base.py
@@ -364,8 +364,8 @@ def listen_http(
     root_resource: Resource,
     version_string: str,
     max_request_body_size: int,
-    context_factory: IOpenSSLContextFactory,
-    reactor: IReactorSSL = reactor,
+    context_factory: Optional[IOpenSSLContextFactory],
+    reactor: ISynapseReactor = reactor,
 ) -> List[Port]:
     port = listener_config.port
     bind_addresses = listener_config.bind_addresses