diff --git a/tests/templates/template_overrides.j2 b/tests/templates/template_overrides.j2
index 480f533373..dfd98f715c 100644
--- a/tests/templates/template_overrides.j2
+++ b/tests/templates/template_overrides.j2
@@ -39,7 +39,9 @@ RUN sed -i \
 {% block base_centos_repo_overrides_post_rpm %}
 {% endraw %}
 
-# FIXME(mgoddard): No CentOS8 RDO repos mirrored yet.
+RUN sed -i \
+        -e "s|https://trunk.rdoproject.org|{{ nodepool_rdo_proxy }}|g" \
+        /etc/yum.repos.d/delorean*.repo
 
 {% raw %}
 {% endblock %}