diff --git a/ansible.cfg b/ansible.cfg
index d3102a6f4..6f381690e 100644
--- a/ansible.cfg
+++ b/ansible.cfg
@@ -13,3 +13,4 @@ callback_whitelist = profile_tasks
 roles_path = roles:$VIRTUAL_ENV/usr/local/share/kubespray/roles:$VIRTUAL_ENV/usr/local/share/ansible/roles:/usr/share/kubespray/roles
 deprecation_warnings=False
 inventory_ignore_extensions = ~, .orig, .bak, .ini, .cfg, .retry, .pyc, .pyo, .creds
+jinja2_extensions = jinja2.ext.do