diff --git a/ubuntu/site.yml b/ubuntu/site.yml
index afcea44..c437a7e 100644
--- a/ubuntu/site.yml
+++ b/ubuntu/site.yml
@@ -61,7 +61,7 @@
     - firewall-ruleset-deploy
 
 - name: Install pgbackrest
-  host: pgbackrest
+  hosts: pgbackrest
   user: root
 
   roles: