diff --git a/app/views/hosts/_operating_system.html.erb b/app/views/hosts/_operating_system.html.erb
index 538a47ac43f..e04793f6b19 100644
--- a/app/views/hosts/_operating_system.html.erb
+++ b/app/views/hosts/_operating_system.html.erb
@@ -1,6 +1,6 @@
 
 <%= select_f f, :architecture_id, accessible_resource(f.object, :architecture), :id, :to_label, {:include_blank => true},
-    {:onchange => 'architecture_selected(this);', :'data-url' => method_path('architecture_selected'), :'data-type' => controller_name.singularize,
+    {:onchange => 'architecture_selected(this);', :'data-url' => method_path('architecture_selected'), :'data-type' => "host",
     :help_inline => :indicator, :required => true} %>
 
 <span id="os_select">