diff --git a/x-pack/plugins/monitoring/server/plugin.ts b/x-pack/plugins/monitoring/server/plugin.ts
index def082a4105f90..282b5602ab463f 100644
--- a/x-pack/plugins/monitoring/server/plugin.ts
+++ b/x-pack/plugins/monitoring/server/plugin.ts
@@ -241,7 +241,7 @@ export class Plugin {
       // Start kibana internal collection
       const serverInfo = this.serverInfo!;
       this.bulkUploader = initBulkUploader({
-        elasticsearch: core.elasticsearch,
+        elasticsearch: core.elasticsearch.legacy,
         config,
         log: kibanaMonitoringLog,
         kibanaStats: {