diff --git a/app/controllers/action/node_inputs_controller.rb b/app/controllers/action/node_inputs_controller.rb
index 65227c657..cf108f324 100644
--- a/app/controllers/action/node_inputs_controller.rb
+++ b/app/controllers/action/node_inputs_controller.rb
@@ -6,7 +6,7 @@ class Action::NodeInputsController < ApplicationController
     @node_inputs = @node.action_node_inputs
     respond_to do |format|
       format.html
-      format.json
+      format.json{ render_ok(data: @node_inputs.as_json) }
     end
   end