diff --git a/exporter/processor/processor_base.py b/exporter/processor/processor_base.py
index 7f53d02..c47a4d8 100644
--- a/exporter/processor/processor_base.py
+++ b/exporter/processor/processor_base.py
@@ -168,6 +168,7 @@ class MessageProcessor:
                 gateway_node_id = str(int(service_envelope.gateway_id[1:], 16))
                 NodeConfigurationMetrics().process_mqtt_update(
                     node_id=gateway_node_id,
+                    mqtt_json_enabled=False,
                     mqtt_encryption_enabled=is_encrypted,
                     mqtt_configured_root_topic=topic
                 )