diff --git a/application/views/mobile_first/ah-lantern-form.php b/application/views/mobile_first/ah-lantern-form.php
index 8cf72a1d..e5f3f658 100644
--- a/application/views/mobile_first/ah-lantern-form.php
+++ b/application/views/mobile_first/ah-lantern-form.php
@@ -444,7 +444,7 @@
                 vip_khomloy_input.checked = true;
                 currentTicketPrice = parseInt(vip_khomloy_input.getAttribute('data-price'));
                 adultNumberValue = parseInt(adultNumberNode.value);
-                calcTotalPrice(dataPrice, adultNumberValue);
+                calcTotalPrice(currentTicketPrice, adultNumberValue);
             });
 
             ticket_date_november16th.addEventListener('click', function () {
@@ -459,7 +459,7 @@
                 premium_khomloy_input.checked = true;
                 currentTicketPrice = parseInt(premium_khomloy_input.getAttribute('data-price'));
                 adultNumberValue = parseInt(adultNumberNode.value);
-                calcTotalPrice(dataPrice, adultNumberValue);
+                calcTotalPrice(currentTicketPrice, adultNumberValue);
             });
         });