diff --git a/vars/main.yml b/vars/main.yml
index 9f5f5ae..927a528 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -14,6 +14,7 @@ jupyter_hub_venv_dir: '/opt/{{ jupyter_hub_venv }}'
 jupyter_hub_logdir: /var/log/jupyter
 jupyter_hub_user: jhub
 
+py3_env_install: True
 # Always install everything
 py3_env_pip_pkgs:
   - jupyterhub