diff --git a/app/models/concerns/foreman_openscap/host_extensions.rb b/app/models/concerns/foreman_openscap/host_extensions.rb
index 2be26358..69388bd3 100644
--- a/app/models/concerns/foreman_openscap/host_extensions.rb
+++ b/app/models/concerns/foreman_openscap/host_extensions.rb
@@ -80,6 +80,8 @@ def self.prepended(base)
         property :policies_enc, String, desc: 'Returns JSON string containing policies for the host'
         property :policies_enc_raw, array_of: Hash, desc: 'Returns a list with key:value objects containing policies for the host'
       end
+
+      base.smart_proxy_reference :self => [:openscap_proxy_id]
     end
 
     def inherited_attributes