diff --git a/synapse/app/admin_cmd.py b/synapse/app/admin_cmd.py

index 5e956b1e27..f2c5b75247 100644
--- a/synapse/app/admin_cmd.py
+++ b/synapse/app/admin_cmd.py
@@ -186,13 +186,13 @@ def start(config_options):
     config.worker.worker_app = "synapse.app.admin_cmd"
 
     if (
-        not config.worker_daemonize
-        and not config.worker_log_file
-        and not config.worker_log_config
+        not config.worker.worker_daemonize
+        and not config.worker.worker_log_file
+        and not config.worker.worker_log_config
     ):
         # Since we're meant to be run as a "command" let's not redirect stdio
         # unless we've actually set log config.
-        config.no_redirect_stdio = True
+        config.logging.no_redirect_stdio = True
 
     # Explicitly disable background processes
     config.update_user_directory = False