diff --git a/application/views/mobile_first/ah-lantern-form.php b/application/views/mobile_first/ah-lantern-form.php
index 71db939b..d2499acf 100644
--- a/application/views/mobile_first/ah-lantern-form.php
+++ b/application/views/mobile_first/ah-lantern-form.php
@@ -431,6 +431,11 @@
 <script>
     function calcTotalPrice(ticketPrice, adultNumber) {
         var totalPrice = ticketPrice * adultNumber;
+
+        if (adultNumber >= 10) {
+            totalPrice = totalPrice * 0.95;
+        }
+
         totalPrice = totalPrice.toFixed(2);
 
         totalPriceHidden.value = totalPrice;