diff --git a/elasticsearch/src/main/java/org/elasticsearch/xpack/ml/notifications/Auditor.java b/elasticsearch/src/main/java/org/elasticsearch/xpack/ml/notifications/Auditor.java
index 6301e990fe4..00ea92ffa80 100644
--- a/elasticsearch/src/main/java/org/elasticsearch/xpack/ml/notifications/Auditor.java
+++ b/elasticsearch/src/main/java/org/elasticsearch/xpack/ml/notifications/Auditor.java
@@ -10,6 +10,7 @@ import org.apache.logging.log4j.message.ParameterizedMessage;
 import org.elasticsearch.action.ActionListener;
 import org.elasticsearch.action.index.IndexResponse;
 import org.elasticsearch.client.Client;
+import org.elasticsearch.common.UUIDs;
 import org.elasticsearch.common.logging.Loggers;
 import org.elasticsearch.common.xcontent.ToXContent;
 import org.elasticsearch.common.xcontent.XContentBuilder;
@@ -50,7 +51,8 @@ public class Auditor {
     }
 
     private void indexDoc(String type, ToXContent toXContent) {
-        client.prepareIndex(NOTIFICATIONS_INDEX, type)
+        // TODO: (norelease): Fix the assertion tripping in internal engine for index requests without an id being retried:
+        client.prepareIndex(NOTIFICATIONS_INDEX, type, UUIDs.base64UUID())
                 .setSource(toXContentBuilder(toXContent))
                 .execute(new ActionListener<IndexResponse>() {
                     @Override