diff --git a/app/views/admin/authorizations/index.html.erb b/app/views/admin/authorizations/index.html.erb
index 8725323..a0c230c 100644
--- a/app/views/admin/authorizations/index.html.erb
+++ b/app/views/admin/authorizations/index.html.erb
@@ -96,7 +96,9 @@
 
 <script type="text/javascript">
   var lis = $("ul#card-list-submanagers li");
-  var app_categories = <%= @objects.collect{|c| {"id" => c.id.to_s, "disable" => c.disable}}.to_json.html_safe %>;
+  <% if !@objects.nil? %>
+    var app_categories = <%= @objects.collect{|c| {"id" => c.id.to_s, "disable" => c.disable}}.to_json.html_safe %>;
+  <% end %>
 </script>