diff --git a/playbooks/prune-docker-images.yml b/playbooks/prune-docker-images.yml
index 3e3f9b5..ad3ff01 100644
--- a/playbooks/prune-docker-images.yml
+++ b/playbooks/prune-docker-images.yml
@@ -1,7 +1,7 @@
 ---
 - hosts: kube
   become: true
-    vars_files:
+  vars_files:
     - ../secret
   tasks:
     - name: Prune images