diff --git a/etc/kayobe/ansible.cfg b/etc/kayobe/ansible.cfg
index e6c3e9c12d..ca7dfea3a2 100644
--- a/etc/kayobe/ansible.cfg
+++ b/etc/kayobe/ansible.cfg
@@ -1,7 +1,7 @@
 [defaults]
 forks = 20
 # Use the YAML stdout callback plugin.
-stdout_callback = yaml
+callback_result_format = yaml
 # Use the stdout_callback when running ad-hoc commands.
 bin_ansible_callbacks = True
 # Disable fact variable injection to improve performance.