diff --git a/salt/elasticsearch/files/elasticsearch.yml b/salt/elasticsearch/files/elasticsearch.yml
index c00a1ca12..271ef40cf 100644
--- a/salt/elasticsearch/files/elasticsearch.yml
+++ b/salt/elasticsearch/files/elasticsearch.yml
@@ -6,7 +6,7 @@ network.host: 0.0.0.0
 # minimum_master_nodes need to be explicitly set when bound on a public IP
 # set to 1 to allow single node clusters
 # Details: https://github.com/elastic/elasticsearch/pull/17288
-cluster.initial_master_nodes: 1
+discovery.zen.minimum_master_nodes: 1
 # This is a test -- if this is here, then the volume is mounted correctly.
 path.logs: /var/log/elasticsearch
 action.destructive_requires_name: true