diff --git a/ubuntu/site.yml b/ubuntu/site.yml
index 271848a..bfec1bb 100644
--- a/ubuntu/site.yml
+++ b/ubuntu/site.yml
@@ -18,7 +18,7 @@
   hosts: icinga-clients
   user: root
 
-  role:
+  roles:
     - icinga-client
 
 #- name: Generate LE certs on required servers