1 files changed, 4 insertions, 0 deletions
diff --git a/synapse/app/client_reader.py b/synapse/app/client_reader.py
index 9fccc73db3..0086a2977e 100644
--- a/synapse/app/client_reader.py
+++ b/synapse/app/client_reader.py
@@ -41,6 +41,8 @@ from synapse.util.rlimit import change_resource_limit
 from synapse.util.versionstring import get_version_string
 from synapse.crypto import context_factory
 
+from synapse import events
+
 
 from twisted.internet import reactor, defer
 from twisted.web.resource import Resource
@@ -165,6 +167,8 @@ def start(config_options):
 
     setup_logging(config.worker_log_config, config.worker_log_file)
 
+    events.USE_FROZEN_DICTS = config.use_frozen_dicts
+
     database_engine = create_engine(config.database_config)
 
     tls_server_context_factory = context_factory.ServerContextFactory(config)