diff --git a/docs/changelog/119296.yaml b/docs/changelog/119296.yaml
new file mode 100644
index 0000000000000..f1a92cffb5131
--- /dev/null
+++ b/docs/changelog/119296.yaml
@@ -0,0 +1,6 @@
+pr: 119296
+summary: Fix writing for LOOKUP status
+area: ES|QL
+type: bug
+issues:
+ - 119086
diff --git a/muted-tests.yml b/muted-tests.yml
index a61ebd5446ce0..e3c62a6cc5407 100644
--- a/muted-tests.yml
+++ b/muted-tests.yml
@@ -230,8 +230,6 @@ tests:
   issue: https://github.com/elastic/elasticsearch/issues/115727
 - class: org.elasticsearch.xpack.security.authc.kerberos.KerberosAuthenticationIT
   issue: https://github.com/elastic/elasticsearch/issues/118414
-- class: org.elasticsearch.xpack.esql.qa.multi_node.EsqlClientYamlIT
-  issue: https://github.com/elastic/elasticsearch/issues/119086
 - class: org.elasticsearch.smoketest.DocsClientYamlTestSuiteIT
   method: test {yaml=reference/search/search-your-data/retrievers-examples/line_98}
   issue: https://github.com/elastic/elasticsearch/issues/119155
diff --git a/x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/plugin/EsqlPlugin.java b/x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/plugin/EsqlPlugin.java
index 67948fe717f2f..b79dda900f39c 100644
--- a/x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/plugin/EsqlPlugin.java
+++ b/x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/plugin/EsqlPlugin.java
@@ -61,6 +61,7 @@
 import org.elasticsearch.xpack.esql.action.RestEsqlGetAsyncResultAction;
 import org.elasticsearch.xpack.esql.action.RestEsqlQueryAction;
 import org.elasticsearch.xpack.esql.enrich.EnrichLookupOperator;
+import org.elasticsearch.xpack.esql.enrich.LookupFromIndexOperator;
 import org.elasticsearch.xpack.esql.execution.PlanExecutor;
 import org.elasticsearch.xpack.esql.expression.ExpressionWritables;
 import org.elasticsearch.xpack.esql.plan.PlanWritables;
@@ -192,6 +193,7 @@ public List<NamedWriteableRegistry.Entry> getNamedWriteables() {
         entries.add(SingleValueQuery.ENTRY);
         entries.add(AsyncOperator.Status.ENTRY);
         entries.add(EnrichLookupOperator.Status.ENTRY);
+        entries.add(LookupFromIndexOperator.Status.ENTRY);
 
         entries.addAll(BlockWritables.getNamedWriteables());
         entries.addAll(ExpressionWritables.getNamedWriteables());