diff --git a/playbooks/host_vars/mirror01.dfw.rax.opendev.org.yaml b/playbooks/host_vars/mirror01.dfw.rax.opendev.org.yaml
index 05d6b18ada..cc69fb5593 100644
--- a/playbooks/host_vars/mirror01.dfw.rax.opendev.org.yaml
+++ b/playbooks/host_vars/mirror01.dfw.rax.opendev.org.yaml
@@ -1,3 +1,4 @@
+ansible_python_interpreter: python3
 letsencrypt_certs:
   mirror01-dfw-rax-main:
     - mirror01.dfw.rax.opendev.org