diff --git a/application/views/mobile_first/ah-lantern-form.php b/application/views/mobile_first/ah-lantern-form.php
index da977b9e..5a89e344 100644
--- a/application/views/mobile_first/ah-lantern-form.php
+++ b/application/views/mobile_first/ah-lantern-form.php
@@ -584,8 +584,10 @@
       ticket_type_premium_heritage_div.style.display = '';
       ticket_type_vip_heritage_div.style.display = '';
 
-      premium_heritage_radio.checked = true;
-      currentTicketPrice = parseInt(premium_heritage_radio.getAttribute('data-price'));
+      premium_heritage_radio.disabled = true;
+
+      vip_heritage_radio.checked = true;
+      currentTicketPrice = parseInt(vip_heritage_radio.getAttribute('data-price'));
       adultNumberValue = parseInt(adultNumberNode.value);
       calcTotalPrice(currentTicketPrice, adultNumberValue);
     }