diff --git a/app/controllers/api/v1/projects/pipelines_controller.rb b/app/controllers/api/v1/projects/pipelines_controller.rb
index d49e6b5be..9bb74dc7e 100644
--- a/app/controllers/api/v1/projects/pipelines_controller.rb
+++ b/app/controllers/api/v1/projects/pipelines_controller.rb
@@ -27,8 +27,8 @@ class Api::V1::Projects::PipelinesController < Api::V1::BaseController
     if params[:pipeline_json].present?
       pipeline = params[:pipeline_json]
       @name = params[:name]
-      params_nodes = JSON.parse(pipeline)["nodes"].select { |node| !["on-push", "on-schedule"].include?(node["component_name"]) }
-      on_nodes = JSON.parse(pipeline)["nodes"].select { |node| ["on-push", "on-schedule"].include?(node["component_name"]) }
+      params_nodes = JSON.parse(pipeline.to_json)["nodes"].select { |node| !["on-push", "on-schedule"].include?(node["component_name"]) }
+      on_nodes = JSON.parse(pipeline.to_json)["nodes"].select { |node| ["on-push", "on-schedule"].include?(node["component_name"]) }
       @on_nodes = build_nodes(on_nodes)
       @steps_nodes = build_nodes(params_nodes)
       yaml = ERB.new(File.read(File.join(Rails.root, "app/views/api/v1/projects/pipelines", "build_pipeline.yaml.erb"))).result(binding)