diff --git a/tests/templates/globals-default.j2 b/tests/templates/globals-default.j2
index d5f0cf4f5a..3bfa7d3817 100644
--- a/tests/templates/globals-default.j2
+++ b/tests/templates/globals-default.j2
@@ -54,6 +54,7 @@ docker_namespace: "lokolla"
 # docker does not support referencing registry via an IPv6 address
 # see: https://github.com/moby/moby/issues/39033
 docker_registry: "primary:4000"
+docker_registry_insecure: yes
 openstack_tag: "{{ build_image_tag }}"
 {% else %}
 # use the published images from a site mirror of quay.io