diff --git a/roles/overcloud-prep-containers/templates/container-default-parameters.yaml.j2 b/roles/overcloud-prep-containers/templates/container-default-parameters.yaml.j2
index d18bcb9af..52212dcab 100644
--- a/roles/overcloud-prep-containers/templates/container-default-parameters.yaml.j2
+++ b/roles/overcloud-prep-containers/templates/container-default-parameters.yaml.j2
@@ -2,4 +2,4 @@ parameter_defaults:
   # Enable local Docker registry
   DockerNamespace: {{ ctl_plane_ip }}:8787/{{ docker_registry_namespace }}
   DockerNamespaceIsRegistry: true
-
+  DockerInsecureRegistryAddress: {{ ctl_plane_ip }}:8787