diff --git a/app/views/katello/api/v2/hosts/base.json.rabl b/app/views/katello/api/v2/hosts/base.json.rabl
index f337ab2a016..1469b89a69f 100644
--- a/app/views/katello/api/v2/hosts/base.json.rabl
+++ b/app/views/katello/api/v2/hosts/base.json.rabl
@@ -6,11 +6,11 @@ object @resource
 attributes :id, :name, :description
 
 node :operatingsystem_family do |resource|
-  resource.operatingsystem.family
+  resource.operatingsystem&.family
 end
 
 node :operatingsystem_major do |resource|
-  resource.operatingsystem.major
+  resource.operatingsystem&.major
 end
 
 if @facet