diff --git a/tests/templates/template_overrides.j2 b/tests/templates/template_overrides.j2
index 40241d43a5..b6c823cf58 100644
--- a/tests/templates/template_overrides.j2
+++ b/tests/templates/template_overrides.j2
@@ -6,6 +6,7 @@
 
 ENV PIP_INDEX_URL {{ nodepool_pypi_mirror }}
 ENV PIP_TRUSTED_HOST {{ nodepool_mirror_host }}
+ENV PIP_EXTRA_INDEX_URL {{ nodepool_wheel_mirror }}
 
 RUN echo registry={{ nodepool_npmjs_proxy }} > /etc/npmrc \
     && mkdir -p /usr/etc \
diff --git a/tests/vars/zuul.yml b/tests/vars/zuul.yml
index 2bf75d64d9..626e8c6edb 100644
--- a/tests/vars/zuul.yml
+++ b/tests/vars/zuul.yml
@@ -5,3 +5,6 @@ nodepool_mirror_host: "{{ zuul_site_mirror_fqdn }}"
 nodepool_npmjs_proxy: "http://{{ zuul_site_mirror_fqdn }}:8080/registry.npmjs/"
 nodepool_cbs_centos_proxy: "http://{{ zuul_site_mirror_fqdn }}:8080/cbs.centos"
 nodepool_docker_proxy: "http://{{ zuul_site_mirror_fqdn }}:8080/docker"
+
+# NOTE(hrw): wheel cache goes over 80/443 not on 8080
+nodepool_wheel_mirror: "https://{{ zuul_site_mirror_fqdn }}/wheel/{{ ansible_distribution | lower }}-{{ ansible_distribution_version }}-{{ ansible_architecture | lower }}"