diff --git a/test/functionalTest/cases/4085_custom_notifications_ngsi_payload/custom_notification_mqtt_ngsi_mapping_constant_attribute_compound.test b/test/functionalTest/cases/4085_custom_notifications_ngsi_payload/custom_notification_mqtt_ngsi_mapping_constant_attribute_compound.test
index 8ac16c4dd0..59271fef39 100644
--- a/test/functionalTest/cases/4085_custom_notifications_ngsi_payload/custom_notification_mqtt_ngsi_mapping_constant_attribute_compound.test
+++ b/test/functionalTest/cases/4085_custom_notifications_ngsi_payload/custom_notification_mqtt_ngsi_mapping_constant_attribute_compound.test
@@ -26,7 +26,7 @@ Custom notification MQTT with NGSI payload mapping attribute constant compound v
 --SHELL-INIT--
 dbInit CB
 brokerStart CB
-accumulatorStart --pretty-print --mqttHost ${MQTT_HOST} --mqttPort ${MQTT_PORT} --mqttTopic "#"
+accumulatorStart --pretty-print --mqttHost ${MQTT_HOST} --mqttPort ${MQTT_PORT} --mqttTopic "topic1"
 
 --SHELL--