diff --git a/app/assets/javascripts/origami.js b/app/assets/javascripts/origami.js
index f23d13c6..802d676e 100755
--- a/app/assets/javascripts/origami.js
+++ b/app/assets/javascripts/origami.js
@@ -15,6 +15,8 @@
 //= require BSBMaterial/demo.js
 //= require custom.js
 
+var _FIRST_BILL_ = "";
+
 $(document).on('turbolinks:load', function() {
 	$('.datetimepicker').bootstrapMaterialDatePicker({
 	  format: 'DD-MM-YYYY - HH:mm',