diff --git a/lib/neutron-legacy b/lib/neutron-legacy
index 692d5ea..978cbdb 100644
--- a/lib/neutron-legacy
+++ b/lib/neutron-legacy
@@ -963,7 +963,7 @@
         setup_colorized_logging $NEUTRON_CONF DEFAULT project_id
     else
         # Show user_name and project_name by default like in nova
-        iniset $NEUTRON_CONF DEFAULT logging_context_format_string "%(asctime)s.%(msecs)03d %(levelname)s %(name)s [%(request_id)s %(user_name)s %(project_name)s] %(instance)s%(message)s"
+        iniset $NEUTRON_CONF DEFAULT logging_user_identity_format "%(user_name)s %(project_name)s"
     fi
 
     if is_service_enabled tls-proxy; then