diff --git a/group_vars/all b/group_vars/all
index 89873a4..f99a626 100644
--- a/group_vars/all
+++ b/group_vars/all
@@ -6,3 +6,6 @@
   # The SSH Private Key that Ansible will use to connect to target hosts
   # Also, the matching public key will be used by the "bootstrap" role.
   ansible_ssh_private_key_file: "{{ lookup('env','HOME') }}/.ssh/id_rsa"
+
+  # Use the good old SSH command instead of paramiko that fails on unknown keys
+  ansible_connection: ssh