diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index cbc548dbd..43f47f7f1 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -33,7 +33,7 @@ services:
   opensearch2:
     container_name: opensearch2
     environment:
-      - node.master=false
+      - node.cluster_manager=false
     image: opensearch/pa-rca:3.0
     mem_limit: 4g
     networks: