diff --git a/manifests/aodh.pp b/manifests/aodh.pp
index f0534591f..2548155f4 100644
--- a/manifests/aodh.pp
+++ b/manifests/aodh.pp
@@ -91,5 +91,6 @@ class openstack_integration::aodh (
     coordination_url    => $::openstack_integration::config::tooz_url,
     evaluation_interval => 10,
   }
+  class { 'aodh::expirer': }
 
 }