diff --git a/x-pack/plugins/task_manager/server/plugin.ts b/x-pack/plugins/task_manager/server/plugin.ts
index 9a43cd5b8c1d6c..4e1db9c274b5e6 100644
--- a/x-pack/plugins/task_manager/server/plugin.ts
+++ b/x-pack/plugins/task_manager/server/plugin.ts
@@ -159,7 +159,7 @@ export class TaskManagerPlugin
     const taskStore = new TaskStore({
       serializer,
       savedObjectsRepository,
-      esClient: elasticsearch.createClient('taskManager').asInternalUser,
+      esClient: elasticsearch.client.asInternalUser,
       index: TASK_MANAGER_INDEX,
       definitions: this.definitions,
       taskManagerId: `kibana:${this.taskManagerId!}`,