diff --git a/os-zaqar-install.yml b/os-zaqar-install.yml
index 9567bab..7e164a8 100644
--- a/os-zaqar-install.yml
+++ b/os-zaqar-install.yml
@@ -1,3 +1,4 @@
+---
 - name: Install zaqar server
   hosts: zaqar_all
   user: root