diff --git a/app/views/spree/products/customizations/calculator_type/_engraving.html.erb b/app/views/spree/products/customizations/calculator_type/_engraving.html.erb
index 78e6b24..cbb7bde 100644
--- a/app/views/spree/products/customizations/calculator_type/_engraving.html.erb
+++ b/app/views/spree/products/customizations/calculator_type/_engraving.html.erb
@@ -9,7 +9,7 @@
 
   <%= content_for :head do %>
     <%= javascript_tag do %>
-      $(document).on('keyup', $('#<%= cust_dom_id %>', function(e) {
+      $(document).on('keyup', '#<%= cust_dom_id %>', function(e) {
 
         var tf = $(this);