diff --git a/src/sideshow/web/templates/orders/create.mako b/src/sideshow/web/templates/orders/create.mako
index 72345b5..7ed78db 100644
--- a/src/sideshow/web/templates/orders/create.mako
+++ b/src/sideshow/web/templates/orders/create.mako
@@ -836,11 +836,11 @@
                 orderEmailAddress: ${json.dumps(email_address)|n},
                 refreshingCustomer: false,
 
-                newCustomerFullName: ${json.dumps(new_customer_full_name)|n},
-                newCustomerFirstName: ${json.dumps(new_customer_first_name)|n},
-                newCustomerLastName: ${json.dumps(new_customer_last_name)|n},
-                newCustomerPhone: ${json.dumps(new_customer_phone)|n},
-                newCustomerEmail: ${json.dumps(new_customer_email)|n},
+                newCustomerFullName: ${json.dumps(new_customer_full_name or None)|n},
+                newCustomerFirstName: ${json.dumps(new_customer_first_name or None)|n},
+                newCustomerLastName: ${json.dumps(new_customer_last_name or None)|n},
+                newCustomerPhone: ${json.dumps(new_customer_phone or None)|n},
+                newCustomerEmail: ${json.dumps(new_customer_email or None)|n},
 
                 editNewCustomerShowDialog: false,
                 editNewCustomerFirstName: null,