diff --git a/charts/etcd/templates/configmap-etcd-bootstrap.yaml b/charts/etcd/templates/configmap-etcd-bootstrap.yaml
index bda8fef..c89045e 100644
--- a/charts/etcd/templates/configmap-etcd-bootstrap.yaml
+++ b/charts/etcd/templates/configmap-etcd-bootstrap.yaml
@@ -82,6 +82,9 @@ data:
       # Needed for etcdbrctl >= 0.17.0
       initial-cluster: 'etcd=http://localhost:2380'
 
+      # Needed for etcdbrctl >= 0.18.0
+      initial-advertise-peer-urls: 'http://localhost:2380'
+
       # Initial cluster state ('new' or 'existing').
       initial-cluster-state: 'new'