diff --git a/securitycenter/src/update_notification.php b/securitycenter/src/update_notification.php
index fb034eb45b..6c70f0b1b5 100644
--- a/securitycenter/src/update_notification.php
+++ b/securitycenter/src/update_notification.php
@@ -42,7 +42,7 @@
 $notificationConfigName = $securityCenterClient::notificationConfigName($organizationId, $notificationConfigId);
 
 $streamingConfig = (new StreamingConfig())->setFilter("state = \"ACTIVE\"");
-$fieldMask = (new FieldMask())->setPaths(['description', 'pubsub_topic']);
+$fieldMask = (new FieldMask())->setPaths(['description', 'pubsub_topic', 'streaming_config.filter']);
 $notificationConfig = (new NotificationConfig())
     ->setName($notificationConfigName)
     ->setDescription('Updated description.')