diff --git a/molecule/fixed-mirror/converge.yml b/molecule/fixed-mirror/converge.yml
index 8ee4dcd..2665af7 100644
--- a/molecule/fixed-mirror/converge.yml
+++ b/molecule/fixed-mirror/converge.yml
@@ -14,4 +14,4 @@
           - key: host
             value: "{{ lookup('env', 'AUTH_DUO_HOST') }}"
         auth_duo_specify_mirror: true
-        auth_duo_mirror_url: https://yum-proxy.ultrafastfibre.co.nz/duo
+        auth_duo_mirror_url: "{{ lookup('env', 'AUTH_DUO_MIRROR_URL') }}"