diff --git a/app/controllers/projects/build_lists_controller.rb b/app/controllers/projects/build_lists_controller.rb
index 330f396b1..d9f85ffba 100644
--- a/app/controllers/projects/build_lists_controller.rb
+++ b/app/controllers/projects/build_lists_controller.rb
@@ -112,7 +112,7 @@ class Projects::BuildListsController < Projects::BaseController
     @build_list.container_path = params[:container_path]
     @build_list.save
 
-    @build_list.set_packages(ActiveSupport::JSON.decode(params[:pkg_info])) if params[:status].to_i == BuildServer::SUCCESS
+    @build_list.set_packages(ActiveSupport::JSON.decode(params[:pkg_info])) if params[:status].to_i == BuildServer::SUCCESS and params[:pkg_info].present?
 
     render :nothing => true, :status => 200
   end