diff --git a/app/controllers/api/batch_line_items_controller.rb b/app/controllers/api/batch_line_items_controller.rb
index 69f7078..4ddb743 100644
--- a/app/controllers/api/batch_line_items_controller.rb
+++ b/app/controllers/api/batch_line_items_controller.rb
@@ -147,7 +147,7 @@ class Api::BatchLineItemsController < ApplicationController
         find_user = Member.find_by_session_token(session_token)
         if !find_user.nil? 
             if !batch_line_item.nil?
-                if batch_line_item.manufacture_uid.nil?
+                if batch_line_item.manufacture_uid.empty?
                     batch_line_item.manufacture_uid = manufacture_uid
                     batch_line_item.save