diff --git a/defaults/init.yml b/defaults/init.yml
index 2a595b4..e98e3ae 100644
--- a/defaults/init.yml
+++ b/defaults/init.yml
@@ -38,3 +38,4 @@
     salt_minion_ca_host: cfg01.${_param:cluster_domain}
     # Make sure this global variable is defined everywhere, where used it is already set on cluster level
     cluster_public_host: '127.0.0.1'
+    single_address: '127.0.0.1'