diff --git a/lib/active_admin/reorderable/table_methods.rb b/lib/active_admin/reorderable/table_methods.rb
index b84f836..e075b71 100644
--- a/lib/active_admin/reorderable/table_methods.rb
+++ b/lib/active_admin/reorderable/table_methods.rb
@@ -11,8 +11,10 @@ def reorder_column
       private
 
       def reorder_handle_for(resource)
-        aa_resource = active_admin_namespace.resource_for(resource.class)
-        url         = url_for [:reorder, aa_resource.route_prefix, resource]
+        aa_resource   = active_admin_namespace.resource_for(resource.class)
+        instance_name = aa_resource.resources_configuration[:self][:route_instance_name]
+
+        url = send([:reorder, aa_resource.route_prefix, instance_name, :path].join('_'), resource)
 
         span(reorder_handle_content, :class => 'reorder-handle', 'data-reorder-url' => url)
       end